Silent pylint on optional import

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/filelock.py

@@ -29,6 +29,7 @@ try:
     import fcntl
     HAS_FCNTL = True
 except ImportError:
+    # pylint: disable=F0401
     import msvcrt
     HAS_FCNTL = False