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The Final patch #7

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tushar-deepsource
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Wraps everything up.

This goes after checkstrformat, messages and plugins. The final commit removes all fronge uses of strings, and will be useful later.

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hauntsaninja and others added 7 commits January 22, 2022 20:01
@hauntsaninja
stubtest: treat dicts as a subtype of typeddict (python#12040)
6d24332
Fix crash with yield in comprehension (python#12048)
619d9bd 
Fixes python#10189

Produce an error when encountering a yield expression (both `yield` and `yield from` clauses) in comprehensions and generator expressions. The latter is a syntax error in python 3.8+; see python#10189 and also [python issue 10544](https://bugs.python.org/issue10544).
@posita
Explain generic Protocol[T1, T2, ...] shorthand in Mypy docs (pytho…
af366c0 
…n#12047)

As far as I can tell, the nugget exposed by this commit lives only in PEP 544. This
copies that nugget closer to where it is likely to be spotted by the intended audience.

PEPs may not be accessible to customers who reasonably expect relevant information to be
surfaced in featured documentation. Even if customers are aware of PEPs, they may not
think to look there, and don't likely consider them primary sources. It is reasonable to
assume that is the job of the docs, with PEPs capturing more esoteric nuances,
rationales and other then-relevant details of decision-making, etc. It's also reasonable
to expect that where further study may be helpful, links from relevant sections of
primary sources to secondary materials like PEPs should exist. This commit fills in both
gaps for the subject shorthand.
@JukkaL @sobolevn
Simplify unions when erasing last known values (python#12064)
3680449 
When we erase last known values in an union with multiple
Instance types, make sure that the resulting union doesn't have
duplicate erased types. The duplicate items weren't incorrect as such,
but they could cause overly complex error messages and potentially
slow type checking performance.

This is one of the fixes extracted from python#12054. Since some of the
changes may cause regressions, it's better to split the PR.

Work on python#12051.

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
@JukkaL
Fix join of Any against a union type (python#12068)
fb94f80 
Make the join of a union type and Any commutative.
Previously the result depended on the order of the operands,
which was clearly incorrect.

Fix python#12051, but other use cases are affected as well.

This change was split off from python#12054.
@JukkaL
Add note about wrong error code in type: ignore (python#12067)
99f4d5a 
If we change the error code of a message, it can result in existing
"type: ignore" comments being ignored. If this seems to be the case,
add a note that hints about changing the ignored error code.

Give a more specific message for a set of special cased error codes
where we know the original error code. In other cases give a more
vague message.
@hmc-cs-mdrissi
Fix crash involving explicit any flag and Required (python#12039)
d5d077b 
Co-authored-by: Mehdi Drissi <mdrissi@snapchat.com>
purna135 and others added 29 commits March 1, 2022 18:12
@purna135
Improve the "Argument must be a mapping" error message (python#12222)
26bfc63 
Fixes python#12070
@97littleleaf11
Remove test case for TypedDict with kwargs (python#12273)
7b4d725
@97littleleaf11
Support universal2 (python#10651)
68b3b27
@cdce8p
Add support for conditionally defined overloads (python#10712)
0777c10 
### Description

This PR allows users to define overloads conditionally, e.g., based on the Python version. At the moment this is only possible if all overloads are contained in the same block which requires duplications.

```py
from typing import overload, Any
import sys

class A: ...
class B: ...

if sys.version_info >= (3, 9):
    class C: ...


@overload
def func(g: int) -> A: ...

@overload
def func(g: bytes) -> B: ...

if sys.version_info >= (3, 9):
    @overload
    def func(g: str) -> C: ...

def func(g: Any) -> Any: ...
```

Closes python#9744

## Test Plan

Unit tests have been added.

## Limitations
Only `if` is supported. Support for `elif` and `else` might be added in the future. However, I believe that the single if as shown in the example is also the most common use case.

The change itself is fully backwards compatible, i.e. the current workaround (see below) will continue to function as expected.

~~**Update**: Seems like support for `elif` and `else` is required for the tests to pass.~~

**Update**: Added support for `elif` and `else`.

## Current workaround

```py
from typing import overload, Any
import sys

class A: ...
class B: ...

if sys.version_info >= (3, 9):
    class C: ...


if sys.version_info >= (3, 9):
    @overload
    def func(g: int) -> A: ...

    @overload
    def func(g: bytes) -> B: ...

    @overload
    def func(g: str) -> C: ...

    def func(g: Any) -> Any: ...

else:
    @overload
    def func(g: int) -> A: ...

    @overload
    def func(g: bytes) -> B: ...

    def func(g: Any) -> Any: ...
```
@cdce8p
Small doc improvements for conditional overloads (python#12283)
73a5b3c
@stanislavlevin
stubtest: Fix wrong assumption about relative path (python#12282)
a562f0a 
Fixes python#11019

`run_stubtest` creates temp directory and prepend `sys.path` with relative path (dot `.`) wrongly assuming that the dot will be resolved to absolute path on *every* import attempt.

But in Python dot(`.`) in sys.path is actually resolved by PathFinder and cached in `sys.path_importer_cache` like:
```
sys.path_importer_cache['.']
FileFinder('/somepath/.')
```
later calls for `find_module` return None and import of `test_module` fails. This resulted in only the first test in stubtest's suite passed in non-pytest-xdist environments.

This issue was hidden with bug or feature in pytest-xdist < 2.3.0:
pytest-dev/pytest-xdist#421

It was fixed in pytest-xdist 2.3.0:
pytest-dev/pytest-xdist#667

- sys.path for pytest-xdist < 2.3.0
  `'.', 'project_path', ''`

- sys.path for pytest-xdist >= 2.3.0 or without xdist
  `'.', 'project_path'`

In Python for denoting cwd the empty path `''` can be used as a special case, but for readability `sys.path` is prepended with resolved absolute path of temp directory. Also it's essential to restore back `sys.path` after a test to not break subsequent tests.

Signed-off-by: Stanislav Levin <slev@altlinux.org>
@hauntsaninja
teststubtest: further fix tests (python#12287)
4d99f7c 
Basically a follow up to python#12282

Co-authored-by: hauntsaninja <>
@hauntsaninja
Revert "stubtest pos-only differences in dunders (python#12184)" (pyt…
b3752a6 
…hon#12293)

This reverts commit 777885f.

To help with python/typeshed#7441 and reduce risk of stubtest issues interfering with a mypy release. The extra type correctness here is really minimal.

Co-authored-by: hauntsaninja <>
@hauntsaninja
stubtest: ignore more dunder positional-only errors (python#12294)
c7a8162 
This isn't actually a reversion. This logic was asymmetrical for reasons
lost to time. Although I suspect it was this way because the delta
only a few errors on typeshed.

What changed was that as a result of python#12203 we actually started checking
a lot more dunder methods. Previously, we only checked dunders if either:
a) it was a special dunder, like `__init__` or `__call__`, or
b) the dunder was defined on the actual stub class itself

In particular, we started checking every dunder redefined at runtime
that the stub just inherited from object.

A possible intermediate option would be to not check positional-only
arguments in the case where a stub inherits the definition. I'll
experiment with that once typeshed CI is green.

Co-authored-by: hauntsaninja <>
@AlexWaygood
CI: Do not run mypy_primer on stubtest/stubgen PRs (python#12295)
fce1b54 
PRs that only affect stubtest or stubgen are never going to have any effect on mypy_primer's output, so we can safely skip the CI check for those PRs. The same goes for PRs that only alter files in the tests directory.
@JukkaL @freundTech
Exhaustiveness checking for match statements (python#12267)
226661f 
Closes python#12010.

Mypy can now detect if a match statement covers all the possible values.
Example:
```
def f(x: int | str) -> int:
    match x:
        case str():
            return 0
        case int():
            return 1
    # Mypy knows that we can't reach here
```

Most of the work was done by @freundTech. I did various minor updates
and changes to tests.

This doesn't handle some cases properly, including these:
1. We don't recognize that `match [*args]` fully covers a list type
2. Fake intersections don't work quite right (some tests are skipped)
3. We assume enums don't have custom `__eq__` methods

Co-authored-by: Adrian Freund <adrian@freund.io>
@shoracek
stubgen: fix non default keyword-only argument positioning (python#12303
8650f5c 
)

Fixes python#11082
@JukkaL
Update copyright in LICENSE (python#12330)
5954bc9
@JukkaL @JelleZijlstra
Minor documentation updates (python#12329)
942395a 
* Some minor documentation updates
* Add more discussion of exhaustiveness checking
* Update docs/source/literal_types.rst
* Simplify docs for legacy async

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
@JukkaL
Trigger wheel builds
7390280
@JukkaL
Bump version to 0.940
48ff811
@offbyone @JukkaL
Typeshed cherry-pick: Use import instead of type alias in `email/mess…
8c11393 
…age.pyi` (python#7022) (python#12340)

Co-authored-by: Chris Rose <offline@offby1.net>
@JukkaL
Bump version to 0.941
4e18c78
@JukkaL
Bump version to 0.942+dev
8e9ac15
@cdce8p @JukkaL
Fix small conditional overload regression (python#12336)
626147a 
Don't merge conditional FuncDef
after an unconditional one.
@JukkaL
Allow non-final __match_args__ and overriding (python#12415)
6606dbe 
Allow subclasses to override `__match_args__` freely, and don't require
`__match_args__` to be final. 

This matches runtime behavior. For example, if `B` subclasses `A`, 
`case A(...)` also matches instances of `B`, using the `__match_args__` 
from `A`.

The issue was brough up by @AlexWaygood in 
python#12411 (comment).
@JukkaL
Fix crash in match statement if class name is undefined (python#12417)
837543e 
Fixes python#12416.
@flaeppe @JukkaL
Support overriding dunder attributes in Enum subclass (python#12138)
7e09c2a 
Allows any dunder (`__name__`) attributes except `__members__` (due to it being 
read-only) to be overridden in enum subclasses.

Fixes python#12132.
@JukkaL
Fix inheritance false positives with dataclasses/attrs (python#12411)
f81b228 
Multiple inheritance from dataclasses and attrs classes works at runtime,
so don't complain about `__match_args__` or `__attrs_attrs__` which tend
to have incompatible types in subclasses.

Fixes python#12349. Fixes python#12008. Fixes python#12065.
@JukkaL
Make order of processing the builtins SCC predictable (python#12431)
367b29d 
Various things can go wrong if the order of modules in the builtins
SCC that also includes typing, _typeshed and others is adjusted.

Hopefully fixes python#12422. May also fix python#12421.
@jhance @JukkaL
Pin the version of bugbear (python#12436)
67088e5
@JukkaL
Let overload item have a wider return type than implementation (pytho…
1c83668 
…n#12435)

A wider return type can be useful if a decorator used for the overload
implementation gets a more precise return type as part of a typeshed
update.

Closes python#12434.
@JukkaL
Update version to 0.942
38f1e30
@tushar-deepsource
Merge tag 'v0.942' into final
55a9076
@github-actions
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Diff from mypy_primer, showing the effect of this PR on open source code:

ignite (https://github.com/pytorch/ignite)
- ignite/engine/events.py:141: error: Definition of "name" in base class "CallableEventWithFilter" is incompatible with definition in base class "Enum"  [misc]
- ignite/engine/deterministic.py:227: error: unused "type: ignore" comment
+ ignite/engine/deterministic.py:227: error: Unused "type: ignore" comment
- ignite/engine/deterministic.py:254: error: unused "type: ignore" comment
+ ignite/engine/deterministic.py:254: error: Unused "type: ignore" comment
- ignite/engine/deterministic.py:259: error: unused "type: ignore" comment
+ ignite/engine/deterministic.py:259: error: Unused "type: ignore" comment
- ignite/distributed/auto.py:308: error: unused "type: ignore" comment
+ ignite/distributed/auto.py:308: error: Unused "type: ignore" comment
- ignite/distributed/auto.py:353: error: unused "type: ignore" comment
+ ignite/distributed/auto.py:353: error: Unused "type: ignore" comment
- ignite/metrics/ssim.py:186: error: unused "type: ignore" comment
+ ignite/metrics/ssim.py:186: error: Unused "type: ignore" comment
- ignite/metrics/precision.py:50: error: unused "type: ignore" comment
+ ignite/metrics/precision.py:50: error: Unused "type: ignore" comment
- ignite/metrics/precision.py:51: error: unused "type: ignore" comment
+ ignite/metrics/precision.py:51: error: Unused "type: ignore" comment
- ignite/engine/__init__.py:372: error: unused "type: ignore" comment
+ ignite/engine/__init__.py:372: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:851: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:851: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:858: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:858: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:864: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:864: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:866: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:866: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:900: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:900: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:913: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:913: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:1391: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:1391: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:1396: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:1396: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:1398: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:1398: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:1405: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:1405: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:1529: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:1529: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:1549: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:1549: error: Unused "type: ignore" comment
- ignite/handlers/param_scheduler.py:1550: error: unused "type: ignore" comment
+ ignite/handlers/param_scheduler.py:1550: error: Unused "type: ignore" comment
- ignite/handlers/lr_finder.py:498: error: unused "type: ignore" comment
+ ignite/handlers/lr_finder.py:498: error: Unused "type: ignore" comment
- ignite/handlers/lr_finder.py:499: error: unused "type: ignore" comment
+ ignite/handlers/lr_finder.py:499: error: Unused "type: ignore" comment
- ignite/contrib/handlers/wandb_logger.py:138: error: unused "type: ignore" comment
+ ignite/contrib/handlers/wandb_logger.py:138: error: Unused "type: ignore" comment
+ ignite/contrib/handlers/visdom_logger.py:188: error: Unused "type: ignore" comment
+ ignite/contrib/handlers/visdom_logger.py:196: error: Unused "type: ignore" comment
+ ignite/contrib/handlers/visdom_logger.py:241: error: Unused "type: ignore" comment
- ignite/contrib/handlers/tensorboard_logger.py:155: error: unused "type: ignore" comment
+ ignite/contrib/handlers/tensorboard_logger.py:155: error: Unused "type: ignore" comment
+ ignite/contrib/handlers/tensorboard_logger.py:155: note: Error code "import" not covered by "type: ignore" comment
- ignite/contrib/handlers/visdom_logger.py:188: error: unused "type: ignore" comment
- ignite/contrib/handlers/visdom_logger.py:196: error: unused "type: ignore" comment
- ignite/contrib/handlers/visdom_logger.py:241: error: unused "type: ignore" comment

bidict (https://github.com/jab/bidict)
- bidict/_bidict.py:138: error: unused "type: ignore" comment

graphql-core (https://github.com/graphql-python/graphql-core)
- src/graphql/utilities/extend_schema.py:644: error: TypedDict key must be a string literal; expected one of ("query", "mutation", "subscription", "types", "directives", ...)
- src/graphql/execution/execute.py:216: error: unused "type: ignore" comment
- src/graphql/execution/execute.py:217: error: unused "type: ignore" comment
- src/graphql/execution/execute.py:218: error: unused "type: ignore" comment
- src/graphql/execution/execute.py:796: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:69: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:75: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:76: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:77: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:87: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:88: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:89: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:100: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:101: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:102: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:127: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:128: error: unused "type: ignore" comment
- tests/execution/test_union_interface.py:129: error: unused "type: ignore" comment

python-sop (https://gitlab.com/dkg/python-sop)
+ sop/__init__.py:224: error: Missing type parameters for generic type "_SubParsersAction"
+ sop/__init__.py:387: error: Missing type parameters for generic type "_SubParsersAction"

mypy_primer (https://github.com/hauntsaninja/mypy_primer)
- mypy_primer.py:118: error: "BinaryIO" has no attribute "raw"
- mypy_primer.py:118: error: Returning Any from function declared to return "object"
- mypy_primer.py:119: error: unused "type: ignore" comment

poetry (https://github.com/python-poetry/poetry)
- src/poetry/packages/locker.py:342: error: Argument 3 to "get_extra_package_names" has incompatible type "Union[bool, Sequence[str]]"; expected "Sequence[str]"  [arg-type]

paasta (https://github.com/yelp/paasta)
- paasta_tools/kubernetes_tools.py:2269: error: Need type annotation for "stream_lines"
- paasta_tools/metrics/metastatus_lib.py:672: error: Argument "key" to "sorted" has incompatible type "Callable[[Any], Sequence[Tuple[str, str]]]"; expected "Callable[[_SlaveT], SupportsLessThan]"
+ paasta_tools/metrics/metastatus_lib.py:672: error: Argument "key" to "sorted" has incompatible type "Callable[[Any], Sequence[Tuple[str, str]]]"; expected "Callable[[_SlaveT], Union[SupportsDunderLT, SupportsDunderGT]]"
- paasta_tools/metrics/metastatus_lib.py:672: error: Argument "key" to "sorted" has incompatible type "Callable[[Any], Sequence[Tuple[str, str]]]"; expected "Callable[[Any], SupportsLessThan]"
+ paasta_tools/metrics/metastatus_lib.py:672: error: Argument "key" to "sorted" has incompatible type "Callable[[Any], Sequence[Tuple[str, str]]]"; expected "Callable[[Any], Union[SupportsDunderLT, SupportsDunderGT]]"

pandera (https://github.com/pandera-dev/pandera)
- pandera/model.py:421: error: Need type annotation for "config"  [var-annotated]

SinbadCogs (https://github.com/mikeshardmind/SinbadCogs)
- devtools/patches.py:22: error: unused "type: ignore" comment
+ devtools/patches.py:22: error: Unused "type: ignore" comment
- devtools/patches.py:30: error: unused "type: ignore" comment
+ devtools/patches.py:30: error: Unused "type: ignore" comment
- devtools/runner.py:26: error: unused "type: ignore" comment
+ devtools/runner.py:26: error: Unused "type: ignore" comment
- scheduler/message.py:87: error: unused "type: ignore" comment
+ scheduler/message.py:87: error: Unused "type: ignore" comment
- scheduler/message.py:89: error: unused "type: ignore" comment
+ scheduler/message.py:89: error: Unused "type: ignore" comment
- scheduler/message.py:111: error: unused "type: ignore" comment
+ scheduler/message.py:111: error: Unused "type: ignore" comment
- rolemanagement/core.py:800: error: unused "type: ignore" comment
+ rolemanagement/core.py:800: error: Unused "type: ignore" comment
- anticommandspam/core.py:136: error: unused "type: ignore" comment
+ anticommandspam/core.py:136: error: Unused "type: ignore" comment
- scheduler/scheduler.py:116: error: unused "type: ignore" comment
+ scheduler/scheduler.py:116: error: Unused "type: ignore" comment
- scheduler/__init__.py:31: error: unused "type: ignore" comment
+ scheduler/__init__.py:31: error: Unused "type: ignore" comment

rotki (https://github.com/rotki/rotki)
- rotkehlchen/api/v1/parser.py:62: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/parser.py:62: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/parser.py:63: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/parser.py:63: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/parser.py:72: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/parser.py:72: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/parser.py:89: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/parser.py:89: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/parser.py:131: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/parser.py:131: error: Unused "type: ignore" comment
- rotkehlchen/utils/hexbytes.py:72: error: unused "type: ignore" comment
+ rotkehlchen/utils/hexbytes.py:72: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/abi.py:71: error: unused "type: ignore" comment
+ rotkehlchen/chain/ethereum/abi.py:71: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/abi.py:83: error: unused "type: ignore" comment
+ rotkehlchen/chain/ethereum/abi.py:83: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/contracts.py:104: error: unused "type: ignore" comment
+ rotkehlchen/chain/ethereum/contracts.py:104: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/decoding/decoder.py:115: error: Module has no attribute "__path__"
- rotkehlchen/serialization/serialize.py:210: error: unused "type: ignore" comment
+ rotkehlchen/serialization/serialize.py:210: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/manager.py:109: error: unused "type: ignore" comment
+ rotkehlchen/chain/ethereum/manager.py:109: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/manager.py:579: error: unused "type: ignore" comment
+ rotkehlchen/chain/ethereum/manager.py:579: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/manager.py:809: error: unused "type: ignore" comment
+ rotkehlchen/chain/ethereum/manager.py:809: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/manager.py:831: error: unused "type: ignore" comment
+ rotkehlchen/chain/ethereum/manager.py:831: error: Unused "type: ignore" comment
- rotkehlchen/chain/ethereum/manager.py:980: error: unused "type: ignore" comment
+ rotkehlchen/chain/ethereum/manager.py:980: error: Unused "type: ignore" comment
- rotkehlchen/chain/avalanche/manager.py:94: error: unused "type: ignore" comment
+ rotkehlchen/chain/avalanche/manager.py:94: error: Unused "type: ignore" comment
- rotkehlchen/chain/avalanche/manager.py:113: error: unused "type: ignore" comment
+ rotkehlchen/chain/avalanche/manager.py:113: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/fields.py:67: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/fields.py:67: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/schemas.py:1561: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/schemas.py:1561: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/schemas.py:1572: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/schemas.py:1572: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/schemas.py:1681: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/schemas.py:1681: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/resources.py:171: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:171: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/resources.py:186: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:186: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/resources.py:192: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:192: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/resources.py:196: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:196: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/resources.py:208: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:208: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/resources.py:209: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:209: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/resources.py:217: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:217: error: Unused "type: ignore" comment
- rotkehlchen/api/v1/resources.py:218: error: unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:218: error: Unused "type: ignore" comment
+ rotkehlchen/api/v1/resources.py:1957: error: Untyped decorator makes function "delete" untyped
- rotkehlchen/api/v1/resources.py:1957: note: (Skipping most remaining errors due to unresolved imports or missing stubs; fix these first)
+ rotkehlchen/api/v1/resources.py:1981: note: (Skipping most remaining errors due to unresolved imports or missing stubs; fix these first)

arviz (https://github.com/arviz-devs/arviz)
+ arviz/data/io_pymc3_3x.py:47: error: Unused "type: ignore" comment
+ arviz/data/io_pymc3_3x.py:48: error: Unused "type: ignore" comment
- doc/sphinxext/gallery_generator.py:375: error: Call to untyped function "rc_context" in typed context
- doc/sphinxext/gallery_generator.py:378: error: Function is missing a return type annotation
- doc/sphinxext/gallery_generator.py:391: note: (Skipping most remaining errors due to unresolved imports or missing stubs; fix these first)
+ doc/sphinxext/gallery_generator.py:375: note: (Skipping most remaining errors due to unresolved imports or missing stubs; fix these first)

pydantic (https://github.com/samuelcolvin/pydantic)
- pydantic/typing.py:190: error: "classmethod" expects no type arguments, but 1 given  [type-arg]
- pydantic/validators.py:503: error: unused "type: ignore" comment
- pydantic/networks.py:268: error: unused "type: ignore" comment
+ pydantic/networks.py:268: error: Unused "type: ignore" comment
+ pydantic/networks.py:268: note: Error code "misc" not covered by "type: ignore" comment
- pydantic/networks.py:313: error: unused "type: ignore" comment
+ pydantic/networks.py:313: error: Unused "type: ignore" comment
+ pydantic/networks.py:313: note: Error code "misc" not covered by "type: ignore" comment
- pydantic/networks.py:314: error: unused "type: ignore" comment
+ pydantic/networks.py:314: error: Unused "type: ignore" comment
+ pydantic/networks.py:314: note: Error code "misc" not covered by "type: ignore" comment
- pydantic/mypy.py:60: error: unused "type: ignore" comment
+ pydantic/mypy.py:60: error: Unused "type: ignore" comment
- pydantic/mypy.py:363: error: unused "type: ignore" comment
+ pydantic/mypy.py:363: error: Unused "type: ignore" comment
- pydantic/mypy.py:739: error: unused "type: ignore" comment
+ pydantic/mypy.py:739: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:67: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:67: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:71: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:71: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:79: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:79: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:138: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:138: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:152: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:152: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:155: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:155: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:159: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:159: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:174: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:174: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:196: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:196: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:203: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:203: error: Unused "type: ignore" comment
- pydantic/_hypothesis_plugin.py:223: error: unused "type: ignore" comment
+ pydantic/_hypothesis_plugin.py:223: error: Unused "type: ignore" comment

rich (https://github.com/willmcgugan/rich)
- usage: mypy [-h] [-v] [-V] [more options; see below]
-             [-m MODULE] [-p PACKAGE] [-c PROGRAM_TEXT] [files ...]
- mypy: error: Invalid error code(s): ignore-without-code
+ rich/style.py:726: error: Statement is unreachable  [unreachable]
+ rich/_win32_console.py:15: error: Statement is unreachable  [unreachable]
+ rich/_windows.py:25: error: Statement is unreachable  [unreachable]
+ rich/_windows.py:41: error: Statement is unreachable  [unreachable]
+ rich/live.py:172: error: Subclass of "TextIO" and "FileProxy" cannot exist: would have incompatible method signatures  [misc]
+ rich/live.py:175: error: Subclass of "TextIO" and "FileProxy" cannot exist: would have incompatible method signatures  [misc]

mypy (https://github.com/python/mypy)
- mypy/fscache.py:147: error: No overload variant of "list" matches argument type "stat_result"  [call-overload]
- mypy/fscache.py:147: note: Possible overload variants:
- mypy/fscache.py:147: note:     def [_T] __init__(self) -> List[_T]
- mypy/fscache.py:147: note:     def [_T] __init__(self, iterable: Iterable[_T]) -> List[_T]
- mypy/fscache.py:152: error: Argument 1 to "stat_result" has incompatible type "List[float]"; expected "Tuple[int, ...]"  [arg-type]
- mypy/stubtest.py:227: error: Module has no attribute "__all__"  [attr-defined]
+ /tmp/mypy_primer/projects/mypy/mypy/types.py:272: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.942
+ Traceback (most recent call last):
+   File "", line 8, in <module>
+     sys.exit(console_entry())
+   File "/__main__.py", line 12, in console_entry
+     main(None, sys.stdout, sys.stderr)
+   File "/main.py", line 96, in main
+     res, messages, blockers = run_build(sources, options, fscache, t0, stdout, stderr)
+   File "/main.py", line 173, in run_build
+     res = build.build(sources, options, None, flush_errors, fscache, stdout, stderr)
+   File "/build.py", line 180, in build
+     result = _build(
+   File "/build.py", line 256, in _build
+     graph = dispatch(sources, manager, stdout)
+   File "/build.py", line 2727, in dispatch
+     process_graph(graph, manager)
+   File "/build.py", line 3075, in process_graph
+     process_stale_scc(graph, scc, manager)
+   File "/build.py", line 3173, in process_stale_scc
+     graph[id].type_check_first_pass()
+   File "/build.py", line 2186, in type_check_first_pass
+     self.type_checker().check_first_pass()
+   File "/checker.py", line 318, in check_first_pass
+     self.accept(d)
+   File "/checker.py", line 424, in accept
+     stmt.accept(self)
+   File "/nodes.py", line 1022, in accept
+     return visitor.visit_class_def(self)
+   File "/checker.py", line 1798, in visit_class_def
+     self.accept(defn.defs)
+   File "/checker.py", line 424, in accept
+     stmt.accept(self)
+   File "/nodes.py", line 1091, in accept
+     return visitor.visit_block(self)
+   File "/checker.py", line 2156, in visit_block
+     self.accept(s)
+   File "/checker.py", line 424, in accept
+     stmt.accept(self)
+   File "/nodes.py", line 741, in accept
+     return visitor.visit_func_def(self)
+   File "/checker.py", line 775, in visit_func_def
+     self._visit_func_def(defn)
+   File "/checker.py", line 779, in _visit_func_def
+     self.check_func_item(defn, name=defn.name)
+   File "/checker.py", line 841, in check_func_item
+     self.check_func_def(defn, typ, name)
+   File "/checker.py", line 1026, in check_func_def
+     self.accept(item.body)
+   File "/checker.py", line 424, in accept
+     stmt.accept(self)
+   File "/nodes.py", line 1091, in accept
+     return visitor.visit_block(self)
+   File "/checker.py", line 2156, in visit_block
+     self.accept(s)
+   File "/checker.py", line 424, in accept
+     stmt.accept(self)
+   File "/nodes.py", line 1315, in accept
+     return visitor.visit_if_stmt(self)
+   File "/checker.py", line 3546, in visit_if_stmt
+     self.accept(b)
+   File "/checker.py", line 424, in accept
+     stmt.accept(self)
+   File "/nodes.py", line 1091, in accept
+     return visitor.visit_block(self)
+   File "/checker.py", line 2156, in visit_block
+     self.accept(s)
+   File "/checker.py", line 424, in accept
+     stmt.accept(self)
+   File "/nodes.py", line 1263, in accept
+     return visitor.visit_assert_stmt(self)
+   File "/checker.py", line 3588, in visit_assert_stmt
+     self.expr_checker.accept(s.expr)
+   File "/checkexpr.py", line 3978, in accept
+     typ = node.accept(self)
+   File "/nodes.py", line 1752, in accept
+     return visitor.visit_call_expr(self)
+   File "/checkexpr.py", line 288, in visit_call_expr
+     return self.visit_call_expr_inner(e, allow_none_return=allow_none_return)
+   File "/checkexpr.py", line 371, in visit_call_expr_inner
+     ret_type = self.check_call_expr_with_callee_type(callee_type, e, fullname,
+   File "/checkexpr.py", line 880, in check_call_expr_with_callee_type
+     return self.check_call(callee_type, e.args, e.arg_kinds, e,
+   File "/checkexpr.py", line 940, in check_call
+     return self.check_callable_call(callee, args, arg_kinds, context, arg_names,
+   File "/checkexpr.py", line 1070, in check_callable_call
+     new_ret_type = self.apply_function_plugin(
+   File "/checkexpr.py", line 751, in apply_function_plugin
+     return callback(
+   File "/misc/proper_plugin.py", line 46, in isinstance_proper_hook
+     ctx.api.fail('Never apply isinstance() to unexpanded types;'
+   File "/checker.py", line 5501, in fail
+     self.msg.fail(msg, context)
+   File "/messages.py", line 201, in fail
+     self.report(msg.value, context, 'error', code=msg.code, file=file,
+ AttributeError: 'str' object has no attribute 'value'

starlette (https://github.com/encode/starlette)
- starlette/concurrency.py:36: error: Name "P.args" is not defined  [name-defined]
- starlette/concurrency.py:36: error: Name "P.kwargs" is not defined  [name-defined]
- starlette/background.py:17: error: Name "P.args" is not defined  [name-defined]
- starlette/background.py:17: error: Name "P.kwargs" is not defined  [name-defined]
- starlette/background.py:36: error: Name "P.args" is not defined  [name-defined]
- starlette/background.py:36: error: Name "P.kwargs" is not defined  [name-defined]

rclip (https://github.com/yurijmikhalevich/rclip)
- rclip/db.py:70: error: Argument 1 to "update" of "dict" has incompatible type "NewImage"; expected "Mapping[Any, None]"
+ rclip/db.py:70: error: Argument 1 to "update" of "MutableMapping" has incompatible type "NewImage"; expected "SupportsKeysAndGetItem[Any, None]"
+ rclip/db.py:70: note: Following member(s) of "NewImage" have conflicts:
+ rclip/db.py:70: note:     Expected:
+ rclip/db.py:70: note:         def __getitem__(self, Any) -> None
+ rclip/db.py:70: note:     Got:
+ rclip/db.py:70: note:         def __getitem__(self, str) -> object

aiortc (https://github.com/aiortc/aiortc)
- src/aiortc/rtcdtlstransport.py:186: error: unused "type: ignore" comment
+ src/aiortc/rtcdtlstransport.py:186: error: Unused "type: ignore" comment
- src/aiortc/rtcdtlstransport.py:211: error: unused "type: ignore" comment
+ src/aiortc/rtcdtlstransport.py:211: error: Unused "type: ignore" comment
- src/aiortc/rtcdtlstransport.py:212: error: unused "type: ignore" comment
+ src/aiortc/rtcdtlstransport.py:212: error: Unused "type: ignore" comment

aioredis (https://github.com/aio-libs/aioredis)
+ aioredis/client.py:94: error: Unused "type: ignore" comment
- aioredis/client.py:4158: error: Argument 1 to "update" of "dict" has incompatible type "Dict[Union[bytes, str], Optional[Any]]"; expected "Mapping[Union[bytes, str, memoryview], Callable[[Dict[str, str]], Awaitable[None]]]"  [arg-type]
+ aioredis/client.py:4158: error: Argument 1 to "update" of "MutableMapping" has incompatible type "Dict[Union[bytes, str], Optional[Any]]"; expected "SupportsKeysAndGetItem[Union[bytes, str, memoryview], Callable[[Dict[str, str]], Awaitable[None]]]"  [arg-type]

pip (https://github.com/pypa/pip)
- src/pip/_internal/network/auth.py:31: error: unused "type: ignore" comment
+ src/pip/_internal/network/auth.py:31: error: Unused "type: ignore" comment
- src/pip/_internal/network/auth.py:37: error: unused "type: ignore" comment
+ src/pip/_internal/network/auth.py:37: error: Unused "type: ignore" comment
- src/pip/_internal/network/auth.py:69: error: unused "type: ignore" comment
+ src/pip/_internal/network/auth.py:69: error: Unused "type: ignore" comment

vision (https://github.com/pytorch/vision)
- torchvision/prototype/features/_feature.py:23: error: unused "type: ignore" comment
+ torchvision/prototype/features/_feature.py:23: error: Unused "type: ignore" comment
- torchvision/prototype/transforms/functional/_type_conversion.py:26: error: unused "type: ignore" comment
+ torchvision/prototype/transforms/functional/_type_conversion.py:26: error: Unused "type: ignore" comment
- torchvision/prototype/features/_image.py:49: error: unused "type: ignore" comment
+ torchvision/prototype/features/_image.py:49: error: Unused "type: ignore" comment
- torchvision/prototype/transforms/_geometry.py:151: error: unused "type: ignore" comment
+ torchvision/prototype/transforms/_geometry.py:151: error: Unused "type: ignore" comment
- torchvision/prototype/transforms/_geometry.py:152: error: unused "type: ignore" comment
+ torchvision/prototype/transforms/_geometry.py:152: error: Unused "type: ignore" comment
- torchvision/prototype/transforms/_color.py:69: error: unused "type: ignore" comment
+ torchvision/prototype/transforms/_color.py:69: error: Unused "type: ignore" comment
- torchvision/prototype/transforms/_augment.py:64: error: unused "type: ignore" comment
+ torchvision/prototype/transforms/_augment.py:64: error: Unused "type: ignore" comment
- torchvision/prototype/transforms/_augment.py:65: error: unused "type: ignore" comment
+ torchvision/prototype/transforms/_augment.py:65: error: Unused "type: ignore" comment

anyio (https://github.com/agronholm/anyio)
- src/anyio/_core/_eventloop.py:56: error: Module has no attribute "run"  [attr-defined]
- src/anyio/_backends/_trio.py:38: error: unused "type: ignore" comment
+ src/anyio/_backends/_trio.py:38: error: Unused "type: ignore" comment
- src/anyio/_backends/_trio.py:44: error: unused "type: ignore" comment
+ src/anyio/_backends/_trio.py:44: error: Unused "type: ignore" comment
- src/anyio/_backends/_trio.py:376: error: unused "type: ignore" comment
+ src/anyio/_backends/_trio.py:376: error: Unused "type: ignore" comment
- src/anyio/_backends/_trio.py:478: error: unused "type: ignore" comment
+ src/anyio/_backends/_trio.py:478: error: Unused "type: ignore" comment
- src/anyio/to_process.py:203: error: "_LoaderProtocol" has no attribute "exec_module"  [attr-defined]
+ src/anyio/_backends/_asyncio.py:188: error: Argument 1 to "getcoroutinestate" has incompatible type "Union[Generator[Optional[Future[object]], None, Any], Awaitable[Any]]"; expected "Coroutine[Any, Any, Any]"  [arg-type]

urllib3 (https://github.com/urllib3/urllib3)
- src/urllib3/connection.py:235: error: Too few arguments  [call-arg]
- src/urllib3/response.py:773: error: "Callable[[IOBase], bool]" has no attribute "__get__"  [attr-defined]
- src/urllib3/response.py:908: error: "HTTPResponse" has no attribute "fp"  [attr-defined]
- src/urllib3/connectionpool.py:479: error: "HTTPResponse" has no attribute "length"  [attr-defined]
- test/tz_stub.py:10: error: unused "type: ignore" comment
+ test/tz_stub.py:10: error: Unused "type: ignore" comment
- test/test_response.py:323: error: Incompatible types in a```

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