Remove keys option after usage

Author: vladvildanov

redis/client.py

@@ -594,6 +594,9 @@ def parse_response(self, connection, command_name, **options):
         if EMPTY_RESPONSE in options:
             options.pop(EMPTY_RESPONSE)
 
+        # Remove keys entry, it needs only for cache.
+        options.pop("keys", None)
+
         if command_name in self.response_callbacks:
             return self.response_callbacks[command_name](response, **options)
         return response