Update packaging to 21.2. Ref #2497.debt/update-packaging

1 files changed, 20 insertions, 39 deletions

diff --git a/pkg_resources/_vendor/packaging/_structures.py b/pkg_resources/_vendor/packaging/_structures.py
index 800d5c55..95154975 100644
--- a/pkg_resources/_vendor/packaging/_structures.py
+++ b/pkg_resources/_vendor/packaging/_structures.py
@@ -1,85 +1,66 @@
 # This file is dual licensed under the terms of the Apache License, Version
 # 2.0, and the BSD License. See the LICENSE file in the root of this repository
 # for complete details.
-from __future__ import absolute_import, division, print_function
 
 
-class InfinityType(object):
-    def __repr__(self):
-        # type: () -> str
+class InfinityType:
+    def __repr__(self) -> str:
         return "Infinity"
 
-    def __hash__(self):
-        # type: () -> int
+    def __hash__(self) -> int:
         return hash(repr(self))
 
-    def __lt__(self, other):
-        # type: (object) -> bool
+    def __lt__(self, other: object) -> bool:
         return False
 
-    def __le__(self, other):
-        # type: (object) -> bool
+    def __le__(self, other: object) -> bool:
         return False
 
-    def __eq__(self, other):
-        # type: (object) -> bool
+    def __eq__(self, other: object) -> bool:
         return isinstance(other, self.__class__)
 
-    def __ne__(self, other):
-        # type: (object) -> bool
+    def __ne__(self, other: object) -> bool:
         return not isinstance(other, self.__class__)
 
-    def __gt__(self, other):
-        # type: (object) -> bool
+    def __gt__(self, other: object) -> bool:
         return True
 
-    def __ge__(self, other):
-        # type: (object) -> bool
+    def __ge__(self, other: object) -> bool:
         return True
 
-    def __neg__(self):
-        # type: (object) -> NegativeInfinityType
+    def __neg__(self: object) -> "NegativeInfinityType":
         return NegativeInfinity
 
 
 Infinity = InfinityType()
 
 
-class NegativeInfinityType(object):
-    def __repr__(self):
-        # type: () -> str
+class NegativeInfinityType:
+    def __repr__(self) -> str:
         return "-Infinity"
 
-    def __hash__(self):
-        # type: () -> int
+    def __hash__(self) -> int:
         return hash(repr(self))
 
-    def __lt__(self, other):
-        # type: (object) -> bool
+    def __lt__(self, other: object) -> bool:
         return True
 
-    def __le__(self, other):
-        # type: (object) -> bool
+    def __le__(self, other: object) -> bool:
         return True
 
-    def __eq__(self, other):
-        # type: (object) -> bool
+    def __eq__(self, other: object) -> bool:
         return isinstance(other, self.__class__)
 
-    def __ne__(self, other):
-        # type: (object) -> bool
+    def __ne__(self, other: object) -> bool:
         return not isinstance(other, self.__class__)
 
-    def __gt__(self, other):
-        # type: (object) -> bool
+    def __gt__(self, other: object) -> bool:
         return False
 
-    def __ge__(self, other):
-        # type: (object) -> bool
+    def __ge__(self, other: object) -> bool:
         return False
 
-    def __neg__(self):
-        # type: (object) -> InfinityType
+    def __neg__(self: object) -> InfinityType:
         return Infinity