Issue #19218: set __name__ of _collections_abc to collections.abc in order to fix tests and keep beautiful qualified names.
diff --git a/Lib/_collections_abc.py b/Lib/_collections_abc.py
index d19e592..faa1ff2 100644
--- a/Lib/_collections_abc.py
+++ b/Lib/_collections_abc.py
@@ -18,6 +18,12 @@
"ByteString",
]
+# This module has been renamed from collections.abc to _collections_abc to
+# speed up interpreter startup. Some of the types such as MutableMapping are
+# required early but collections module imports a lot of other modules.
+# See issue #19218
+__name__ = "collections.abc"
+
# Private list of types that we want to register with the various ABCs
# so that they will pass tests like:
# it = iter(somebytearray)