From: Nikita Sobolev <mail@sobolevn.me>
Date: Wed, 7 Jun 2023 13:43:00 +0000 (+0300)
Subject: gh-105430: Remove `typing._Immutable` unused internal helper (#105434)
X-Git-Tag: v3.13.0a1~1850
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=18309ad94bb1ae0b092f34dc3fd54199876a6ebd;p=thirdparty%2FPython%2Fcpython.git

gh-105430: Remove `typing._Immutable` unused internal helper (#105434)
---

diff --git a/Lib/typing.py b/Lib/typing.py
index b6c8d8a4febd..307b26f30da8 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -419,17 +419,6 @@ class _Final:
         if '_root' not in kwds:
             raise TypeError("Cannot subclass special typing classes")
 
-class _Immutable:
-    """Mixin to indicate that object should not be copied."""
-
-    __slots__ = ()
-
-    def __copy__(self):
-        return self
-
-    def __deepcopy__(self, memo):
-        return self
-
 
 class _NotIterable:
     """Mixin to prevent iteration, without being compatible with Iterable.