Pytype

Updates:
* Support abc.abstractclassmethod and abc.abstractstaticmethod.

Bug fixes:
* Look up aliased imports when resolving imported modules.
* Copy typeshed changes to builtins.pyi.
* Fix a pytype crash when encountering a pyi import corner case.

Updates:
* Add basic query visualization to the CFG visualizer.

Bug fixes:
* Slight fix to wording of non-iterable strings error message.
* Allow TypeVar amd ParamSpec to be passed None for bounds and constraints.
* Handle multiple options for a class's base classes better.
* Don't crash on `from functools import cached_property`.
* Support `__self__` on methods.

Updates:
* Update typeshed pin to commit 37a180e from Feb 3.
* Make it possible to run pytype on PyPy.

Bug fixes:
* Use ninja importability to determine python-ninja usability.
* Treat `typing.Pattern` and `typing.Match` as aliases of the same-named classes
in the `re` module.
* Handle callables better in protocol matching.

Updates:
* Add overlay for functools.cached_property.
* Performance optimization: combine two expensive loops in _UniqueMatches.insert

Bug fixes:
* Don't parse literal string constants as type annotations.
* Add missing __required_keys__ and __optional_keys__ attributes to TypedDict.
* Do not reexport `__future__` imports.

Bug fixes:
* Add fget, fset, fdel attributes to property.
* Check for ignored abstract methods on nested classes.
* Add a native TypedDict.get() implementation.
* Remove some unnecessary CFG nodes.

Updates:
* Support isinstance(..., Union[...]).
* analyze_project: take external dependencies of typeshed stubs into account.
* Add support for the 3.10+ kw_only dataclass field parameter.

Bug fixes:
* Fix a misfiring of the [incomplete-match] error.
* Detect mixin override of final-decorated attribute.
* Always apply TypeVar substitutions to function return types.