Merge branch 'master' into feature/implicit-bootstrapfeature/implicit-bootstrap

1 files changed, 8 insertions, 1 deletions

diff --git a/setuptools/_vendor/packaging/_compat.py b/setuptools/_vendor/packaging/_compat.py
index 25da473c..e54bd4ed 100644
--- a/setuptools/_vendor/packaging/_compat.py
+++ b/setuptools/_vendor/packaging/_compat.py
@@ -5,6 +5,11 @@ from __future__ import absolute_import, division, print_function
 
 import sys
 
+from ._typing import TYPE_CHECKING
+
+if TYPE_CHECKING:  # pragma: no cover
+    from typing import Any, Dict, Tuple, Type
+
 
 PY2 = sys.version_info[0] == 2
 PY3 = sys.version_info[0] == 3
@@ -18,14 +23,16 @@ else:
 
 
 def with_metaclass(meta, *bases):
+    # type: (Type[Any], Tuple[Type[Any], ...]) -> Any
     """
     Create a base class with a metaclass.
     """
     # This requires a bit of explanation: the basic idea is to make a dummy
     # metaclass for one level of class instantiation that replaces itself with
     # the actual metaclass.
-    class metaclass(meta):
+    class metaclass(meta):  # type: ignore
         def __new__(cls, name, this_bases, d):
+            # type: (Type[Any], str, Tuple[Any], Dict[Any, Any]) -> Any
             return meta(name, bases, d)
 
     return type.__new__(metaclass, "temporary_class", (), {})