[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

proxy/core/work/threadless.py

@@ -39,10 +39,10 @@
 
 
 proxy_flags.add_argument(
-    "--inactive-conn-cleanup-timeout",
+    '--inactive-conn-cleanup-timeout',
     default=DEFAULT_INACTIVE_CONN_CLEANUP_TIMEOUT,
-    help="Time after which inactive works must be cleaned up. Default {0} seconds".format(
-        DEFAULT_INACTIVE_CONN_CLEANUP_TIMEOUT
+    help='Time after which inactive works must be cleaned up. Default {0} seconds'.format(
+        DEFAULT_INACTIVE_CONN_CLEANUP_TIMEOUT,
     ),
 )