Merge and update variable and params annotations from typeshed

Author: Avasam

mypy.ini

@@ -9,7 +9,7 @@ explicit_package_bases = True
 exclude = (?x)(
 	^build/
 	| ^.tox/
-	| ^.egg/
+	| ^.eggs/
 	| ^pkg_resources/tests/data/my-test-package-source/setup.py$ # Duplicate module name
 	| ^.+?/(_vendor|extern)/ # Vendored
 	| ^setuptools/_distutils/ # Vendored

newsfragments/4246.feature.rst

@@ -0,0 +1,4 @@
+Improve error message when ``pkg_resources.ZipProvider`` tries to extract resources with a missing Egg -- by :user:`Avasam`
+
+Added variables and parameter type annotations to be nearly on par with typeshed.\* -- by :user:`Avasam`
+\* Excluding ``TypeVar``, ``overload``, and return types are currently inferred.