diff options
Diffstat (limited to 'Lib/sets.py')
| -rw-r--r-- | Lib/sets.py | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/Lib/sets.py b/Lib/sets.py index e33464b..5007709 100644 --- a/Lib/sets.py +++ b/Lib/sets.py @@ -380,9 +380,7 @@ class Set(BaseSet): def __iand__(self, other): """Update a set with the intersection of itself and another.""" self._binary_sanity_check(other) - for elt in self._data.keys(): - if elt not in other: - del self._data[elt] + self._data = (self & other)._data return self def intersection_update(self, other): |