Missing return

2008-01-31 01:42:11 +00:00 · 2008-01-31 01:42:11 +00:00 · e973c61238
parent e67420d72e
commit e973c61238
1 changed files with 1 additions and 0 deletions
--- a/Lib/_abcoll.py
+++ b/Lib/_abcoll.py
@ -293,6 +293,7 @@ class MutableSet(Set):
                self.discard(value)
            else:
                self.add(value)
+        return self

    def __isub__(self, it):
        for value in it: