fix: improve key separator handling to avoid double separators (#368) #590

Job	Run time
docs	27s
Service Tests	3m 6s
Python 3.9 - redis-py 5.x [redis 6.2.6-v9]	3m 16s
Python 3.9 - redis-py 5.x [redis 8.0.2]	3m 5s
Python 3.9 - redis-py 6.x [redis 6.2.6-v9]	2m 46s
Python 3.9 - redis-py 5.x [redis latest]	3m 44s
Python 3.9 - redis-py 6.x [redis 8.0.2]	4m 45s
Python 3.9 - redis-py 6.x [redis latest]	7m 3s
Python 3.10 - redis-py 5.x [redis latest]	3m 8s
Python 3.12 - redis-py 5.x [redis 8.0.2]	3m 33s
Python 3.10 - redis-py 6.x [redis 6.2.6-v9]	3m 12s
Python 3.10 - redis-py 5.x [redis 8.0.2]	3m 15s
Python 3.13 - redis-py 5.x [redis latest]	3m 23s
Python 3.12 - redis-py 6.x [redis 8.0.2]	3m 36s
Python 3.12 - redis-py 6.x [redis 6.2.6-v9]	3m 16s
Python 3.12 - redis-py 5.x [redis 6.2.6-v9]	2m 58s
Python 3.10 - redis-py 6.x [redis latest]	5m 30s
Python 3.12 - redis-py 6.x [redis latest]	5m 12s
Python 3.13 - redis-py 5.x [redis 8.0.2]	3m 33s
Python 3.13 - redis-py 6.x [redis 6.2.6-v9]	3m 11s
Python 3.12 - redis-py 5.x [redis latest]	3m 20s
Python 3.13 - redis-py 6.x [redis latest]	4m 51s
Python 3.13 - redis-py 5.x [redis 6.2.6-v9]	3m 10s
Python 3.10 - redis-py 6.x [redis 8.0.2]	3m 30s
Python 3.13 - redis-py 6.x [redis 8.0.2]	3m 39s
Python 3.10 - redis-py 5.x [redis 6.2.6-v9]	3m 23s
	1h 33m 52s

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