Bump hypothesis from 6.3.0 to 6.8.1 in /requirements

[dependabot]

Bumps hypothesis from 6.3.0 to 6.8.1.

Release notes

Sourced from hypothesis's releases.

Hypothesis for Python - version 6.8.1

This patch lays more groundwork for filter rewriting (issue #2701). There is no user-visible change... yet.

The canonical version of these notes (with links) is on readthedocs.

Hypothesis for Python - version 6.8.0

This release "registers" the remaining builtin types, and teaches "from_type()" to try resolving "ForwardRef" and "Type" references to built-in types.

The canonical version of these notes (with links) is on readthedocs.

Hypothesis for Python - version 6.7.0

This release teaches "RuleBasedStateMachine" to avoid checking "invariant()"s until all "initialize()" rules have been run. You can enable checking of specific invariants for incompletely initialized machines by using "@​invariant(check_during_init=True)" (issue #2868).

In previous versions, it was possible if awkward to implement this behaviour using "precondition()" and an auxiliary variable.

The canonical version of these notes (with links) is on readthedocs.

Hypothesis for Python - version 6.6.1

This patch improves the error message when "from_type()" fails to resolve a forward-reference inside a "typing.Type" such as "Type["int"]" (issue #2565).

The canonical version of these notes (with links) is on readthedocs.

Hypothesis for Python - version 6.6.0

This release makes it an explicit error to apply "invariant()" to a "rule()" or "initialize()" rule in stateful testing. Such a combination had unclear semantics, especially in combination with "precondition()", and was never meant to be allowed (issue #2681).

The canonical version of these notes (with links) is on readthedocs.

Hypothesis for Python - version 6.5.0

This release adds the explain phase, in which Hypothesis attempts to explain why your test failed by pointing to suspicious lines of code (i.e. those which were always, and only, run on failing inputs). We plan to include "generalising" failing examples in this phase in a future release (issue #2192).

The canonical version of these notes (with links) is on readthedocs.

Hypothesis for Python - version 6.4.3

This patch fixes issue #2794, where nesting "deferred()" strategies

... (truncated)

Commits

• 6fa16a4 Bump hypothesis-python version to 6.8.1 and update changelog
• 7e86f34 Merge pull request #2878 from Zac-HD/efficient-filter
• a121dad Bump pinned dev deps
• f446bf3 Trivial refactorings
• 7587c7b Bump hypothesis-ruby version to 0.7.0 and update changelog
• 69886d6 Merge pull request #2904 from amw-zero/release-rake-dependency-change
• fd18d08 Make sure that gemspec changes get released.
• 3ac8c6c Release file for rake dependency change
• 64176ea Merge pull request #2903 from amw-zero/remove-rake-as-runtime-dep
• 0c201c9 Remove rake as a runtime dependency
• Additional commits viewable in compare view

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