Disable click >= 5.0's unicode_literals warnings.

rq/cli/cli.py

@@ -24,6 +24,12 @@ from .helpers import (get_redis_from_config, read_config_file, refresh,
                       show_workers)
 
 
+# Disable the warning that Click displays (as of Click version 5.0) when users
+# use unicode_literals in Python 2.
+# See http://click.pocoo.org/dev/python3/#unicode-literals for more details.
+click.disable_unicode_literals_warning = True
+
+
 url_option = click.option('--url', '-u', envvar='RQ_REDIS_URL',
                           help='URL describing Redis connection details.')