Fix typo in worker.py example script

Author: vajdaz

content/en/examples/application/job/redis/worker.py

@@ -8,7 +8,7 @@
 # import os
 # host = os.getenv("REDIS_SERVICE_HOST")
 
-q = rediswq.RedisWQ(name="job2", host="redis")
+q = rediswq.RedisWQ(name="job2", host=host)
 print("Worker with sessionID: " +  q.sessionID())
 print("Initial queue state: empty=" + str(q.empty()))
 while not q.empty():