Issue #16049: add abc.ABC helper class.

Patch by Bruno Dupuis.

1 files changed, 6 insertions, 0 deletions

diff --git a/Lib/abc.py b/Lib/abc.py
index 09778e8..e807895 100644
--- a/Lib/abc.py
+++ b/Lib/abc.py
@@ -226,3 +226,9 @@ class ABCMeta(type):
         # No dice; update negative cache
         cls._abc_negative_cache.add(subclass)
         return False
+
+class ABC(metaclass=ABCMeta):
+    """Helper class that provides a standard way to create an ABC using
+    inheritance.
+    """
+    pass