From 7fed75597fac11f9a6c769e2b6c6548fe0e4049d Mon Sep 17 00:00:00 2001
From: Zackery Spytz <zspytz@gmail.com>
Date: Sat, 4 Jul 2020 23:07:43 -0600
Subject: [PATCH] bpo-39168: Remove the __new__ method of typing.Generic
 (GH-21327)

Automerge-Triggered-By: @gvanrossum
---
 Lib/test/test_typing.py                                |  2 --
 Lib/typing.py                                          | 10 ----------
 .../Library/2020-07-04-21-56-46.bpo-39168.DQWsXj.rst   |  1 +
 3 files changed, 1 insertion(+), 12 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Library/2020-07-04-21-56-46.bpo-39168.DQWsXj.rst

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index f429e883b59..398add05a12 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -1417,8 +1417,6 @@ class GenericTests(BaseTestCase):
     def test_generic_errors(self):
         T = TypeVar('T')
         S = TypeVar('S')
-        with self.assertRaises(TypeError):
-            Generic[T]()
         with self.assertRaises(TypeError):
             Generic[T][T]
         with self.assertRaises(TypeError):
diff --git a/Lib/typing.py b/Lib/typing.py
index f94996daebd..fd657caafee 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -894,16 +894,6 @@ class Generic:
     __slots__ = ()
     _is_protocol = False
 
-    def __new__(cls, *args, **kwds):
-        if cls in (Generic, Protocol):
-            raise TypeError(f"Type {cls.__name__} cannot be instantiated; "
-                            "it can be used only as a base class")
-        if super().__new__ is object.__new__ and cls.__init__ is not object.__init__:
-            obj = super().__new__(cls)
-        else:
-            obj = super().__new__(cls, *args, **kwds)
-        return obj
-
     @_tp_cache
     def __class_getitem__(cls, params):
         if not isinstance(params, tuple):
diff --git a/Misc/NEWS.d/next/Library/2020-07-04-21-56-46.bpo-39168.DQWsXj.rst b/Misc/NEWS.d/next/Library/2020-07-04-21-56-46.bpo-39168.DQWsXj.rst
new file mode 100644
index 00000000000..667885eccd9
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-07-04-21-56-46.bpo-39168.DQWsXj.rst
@@ -0,0 +1 @@
+Remove the ``__new__`` method of :class:`typing.Generic`.