From d472bf048182453de15de7f7fd450f7a0cb4fdd5 Mon Sep 17 00:00:00 2001
From: PrettyWood <em.jolibois@gmail.com>
Date: Wed, 23 Dec 2020 03:10:59 +0100
Subject: [PATCH] chore: improve mypy

---
 pydantic/validators.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pydantic/validators.py b/pydantic/validators.py
index a3069bcdbb0..e0e7a9ea251 100644
--- a/pydantic/validators.py
+++ b/pydantic/validators.py
@@ -50,6 +50,11 @@
     Number = Union[int, float, Decimal]
     StrBytes = Union[str, bytes]
 
+    class TypedDict(Dict[str, Any]):
+        __annotations__: Dict[str, Type[Any]]
+        __required_keys__: FrozenSet[str]
+        __optional_keys__: FrozenSet[str]
+
 
 def str_validator(v: Any) -> Union[str]:
     if isinstance(v, str):
@@ -549,7 +554,7 @@ def named_tuple_validator(values: Tuple[Any, ...]) -> NamedTupleT:
     return named_tuple_validator
 
 
-def make_typed_dict_validator(type_: Type[Dict[str, Any]]) -> Callable[[Any], Dict[str, Any]]:
+def make_typed_dict_validator(type_: Type['TypedDict']) -> Callable[[Any], Dict[str, Any]]:
     from .main import create_model
 
     field_definitions: Dict[str, Any] = {