BLMOVE is also used with clients not supporting it, resulting in broken pipeline #2233
Description
2022-08-08T14:46:59.313000 - deduplicator-expert - INFO - Bot will continue in 15 seconds.
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/intelmq/lib/pipeline.py", line 267, in _receive
retval = self.pipe.blmove(self.source_queue, self.internal_queue, 0, 'RIGHT', 'LEFT')
AttributeError: 'Redis' object has no attribute 'blmove'
Server version is 7.0.2, but the python library is 3.3.11. BLMOVE is first available in 4.0.0 (and 4.1.2 fixed a major bug redis/redis-py#1776).