(self)
Called before starting to process a batch.
        Should clean any pending data.
Called before starting to process a batch.
        Should clean any pending data.
Called before starting to process a batch . Should clean any pending data .
def reset(self):
        """Called before starting to process a batch.
        Should clean any pending data."""
        ShardHandler.reset(self)
def reset ( self ) : ShardHandler . reset ( self )