diff options
| -rw-r--r-- | lib/bb/COW.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/bb/COW.py b/lib/bb/COW.py index b0afb5fa0..ccb7cde3b 100644 --- a/lib/bb/COW.py +++ b/lib/bb/COW.py @@ -119,6 +119,9 @@ class COWDictMeta(COWMeta): key += MUTABLE delattr(cls, key) + def __contains__(cls, key): + return cls.has_key(key) + def has_key(cls, key): value = cls.__getreadonly__(key, cls.__marker__) if value is cls.__marker__: |