Fix ColorizingStreamHandler import (#293)

Author: herrtxbias

rq_scheduler/utils.py

@@ -5,7 +5,7 @@
 from datetime import datetime, timedelta
 import logging
 
-from rq.utils import ColorizingStreamHandler
+from rq.logutils import ColorizingStreamHandler
 
 
 # from_unix from times.from_unix()