<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def process_data_events(self, to_tuple=False, auto_decode=True):
 """Consume inbound messages. :param bool to_tuple: Should incoming messages be converted to a tuple before delivery. :param bool auto_decode: Auto-decode strings when possible. :raises AMQPChannelError: Raises if the channel encountered an error. :raises AMQPConnectionError: Raises if the connection encountered an error. :return: """

        if not self._consumer_callbacks:
            raise AMQPChannelError('no consumer callback defined')
        for message in self.build_inbound_messages(break_on_empty=True,
                                                   auto_decode=auto_decode):
            consumer_tag = message._method.get('consumer_tag')
            if to_tuple:
                # noinspection PyCallingNonCallable
                self._consumer_callbacks[consumer_tag](*message.to_tuple())
                continue
            # noinspection PyCallingNonCallable
            self._consumer_callbacks[consumer_tag](message)