summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Lib/_abcoll.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/Lib/_abcoll.py b/Lib/_abcoll.py
index 990ff00982..692a0d7967 100644
--- a/Lib/_abcoll.py
+++ b/Lib/_abcoll.py
@@ -560,5 +560,6 @@ class MutableSequence(Sequence):
def __iadd__(self, values):
self.extend(values)
+ return self
MutableSequence.register(list)