diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/zope/interface/interface.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/zope/interface/interface.py b/src/zope/interface/interface.py index 4e18f7d..8e2e8e6 100644 --- a/src/zope/interface/interface.py +++ b/src/zope/interface/interface.py @@ -274,7 +274,7 @@ class Specification(SpecificationBase): def __setBases(self, bases): # Register ourselves as a dependent of our old bases - for b in self.__bases__: + for b in getattr(self, '__bases__', ()): b.unsubscribe(self) # Register ourselves as a dependent of our bases @@ -284,11 +284,11 @@ class Specification(SpecificationBase): self.changed(self) - __bases__ = property( - - lambda self: self.__dict__.get('__bases__', ()), - __setBases, - ) + def __setattr__(self, name, value): + if name == '__bases__': + self.__setBases(value) + else: + self.__dict__[name] = value def changed(self, originally_changed): """We, or something we depend on, have changed |