(self)
return tuple(self.iterdirty())
The set of all instances which have changed, but not deleted,
within this :class:`SessionModel`.
The set of all instances which have changed, but not deleted,
within this :class:`SessionModel`.
The set of all instances which have changed but not deleted within this : class : SessionModel .
def dirty(self):
        '''The set of all instances which have changed, but not deleted,
within this :class:`SessionModel`.'''
        return tuple(self.iterdirty())
def dirty ( self ) : return tuple ( self . iterdirty ( ) )