Update mypy to the latest

This includes updating the ignore comments for things which mypy
now knows about or now complains about, as well as pulling in some
typeshed packages for things outside the standard library.

jedi/api/environment.py

@@ -15,7 +15,7 @@ from jedi.inference.compiled.subprocess import CompiledSubprocess, \
 
 import parso
 
-_VersionInfo = namedtuple('VersionInfo', 'major minor micro')
+_VersionInfo = namedtuple('VersionInfo', 'major minor micro')  # type: ignore[name-match]
 
 _SUPPORTED_PYTHONS = ['3.10', '3.9', '3.8', '3.7', '3.6']
 _SAFE_PATHS = ['/usr/bin', '/usr/local/bin']
@@ -384,8 +384,7 @@ def _get_executable_path(path, safe=True):
 
 
 def _get_executables_from_windows_registry(version):
-    # https://github.com/python/typeshed/pull/3794 adds winreg
-    import winreg  # type: ignore[import]
+    import winreg
 
     # TODO: support Python Anaconda.
     sub_keys = [

jedi/api/keywords.py

@@ -5,8 +5,7 @@ from typing import Dict, Optional
 from jedi.inference.names import AbstractArbitraryName
 
 try:
-    # https://github.com/python/typeshed/pull/4351 adds pydoc_data
-    from pydoc_data import topics  # type: ignore[import]
+    from pydoc_data import topics
     pydoc_topics: Optional[Dict[str, str]] = topics.topics
 except ImportError:
     # Python 3.6.8 embeddable does not have pydoc_data.

jedi/inference/compiled/access.py

@@ -40,7 +40,7 @@ NOT_CLASS_TYPES = (
 MethodDescriptorType = type(str.replace)
 WrapperDescriptorType = type(set.__iter__)
 # `object.__subclasshook__` is an already executed descriptor.
-object_class_dict = type.__dict__["__dict__"].__get__(object)
+object_class_dict = type.__dict__["__dict__"].__get__(object)  # type: ignore[index]
 ClassMethodDescriptorType = type(object_class_dict['__subclasshook__'])
 
 _sentinel = object()

jedi/utils.py

@@ -2,7 +2,7 @@
 Utilities for end-users.
 """
 
-import __main__  # type: ignore[import]
+import __main__
 from collections import namedtuple
 import logging
 import traceback

setup.cfg

@@ -28,6 +28,9 @@ max-line-length = 100
 
 
 [mypy]
+# Exclude our copies of external stubs
+exclude = ^jedi/third_party
+
 # Ensure generics are explicit about what they are (e.g: `List[str]` rather than
 # just `List`)
 disallow_any_generics = True

setup.py

@@ -45,7 +45,10 @@ setup(name='jedi',
           ],
           'qa': [
               'flake8==3.8.3',
-              'mypy==0.782',
+              # latest version supporting Python 3.6
+              'mypy==0.971',
+              # Arbitrary pins, latest at the time of pinning
+              'types-setuptools==67.2.0.1',
           ],
           'docs': [
               # Just pin all of these.