style: please black

cube_doctor/doctor_hg.py

@@ -153,7 +153,13 @@ def main():
     parser.add_argument(
         "-k", "--command", type=str, default=None, dest="script_command"
     )
-    parser.add_argument("-d", "--delay", type=int, default=None, help="delay before 'hg clone' to ease server load")
+    parser.add_argument(
+        "-d",
+        "--delay",
+        type=int,
+        default=None,
+        help="delay before 'hg clone' to ease server load",
+    )
 
     args = parser.parse_args()