[Python-checkins] replace `self` param with more appropriate `cls` in classmethods (GH-31402)

[asvetlov]

https://github.com/python/cpython/commit/a3fcca4af1cb418dc802feb75100ecc1a286afaa
commit: a3fcca4af1cb418dc802feb75100ecc1a286afaa
branch: main
author: Josh Smith <cmyuiosu at gmail.com>
committer: asvetlov <andrew.svetlov at gmail.com>
date: 2022-02-20T14:31:09+02:00
summary:

replace `self` param with more appropriate `cls` in classmethods (GH-31402)

files:
M Lib/_collections_abc.py

diff --git a/Lib/_collections_abc.py b/Lib/_collections_abc.py
index 97913c77721da..40417dc1d3133 100644
--- a/Lib/_collections_abc.py
+++ b/Lib/_collections_abc.py
@@ -871,7 +871,7 @@ class KeysView(MappingView, Set):
     __slots__ = ()
 
     @classmethod
-    def _from_iterable(self, it):
+    def _from_iterable(cls, it):
         return set(it)
 
     def __contains__(self, key):
@@ -889,7 +889,7 @@ class ItemsView(MappingView, Set):
     __slots__ = ()
 
     @classmethod
-    def _from_iterable(self, it):
+    def _from_iterable(cls, it):
         return set(it)
 
     def __contains__(self, item):