def __enter__(self):
        """Disable date update."""
        self._found = contains(
            Timestamp, 'before_update', timestamp_before_update)
        if self._found:
            remove(Timestamp, 'before_update', timestamp_before_update)
def __enter__ ( self ) : self . _found = contains ( Timestamp , 'before_update' , timestamp_before_update ) if self . _found : remove ( Timestamp , 'before_update' , timestamp_before_update )
Disable date update.