diff --git a/zerver/management/commands/enqueue_file.py b/zerver/management/commands/enqueue_file.py
index c134af6cbe..3df9645aad 100644
--- a/zerver/management/commands/enqueue_file.py
+++ b/zerver/management/commands/enqueue_file.py
@@ -39,7 +39,7 @@ You can use "-" to represent stdin.
         file_name = options['file_name']
 
         if file_name == '-':
-            f = sys.stdin # type: IO[str]
+            f = sys.stdin  # type: IO[str]
         else:
             f = open(file_name)