Fix for Python 2.7

Tatsh · Jul 11, 2019 · c132ee2 · c132ee2
1 parent 3b1efc9
commit c132ee2
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/xirvik/util.py b/xirvik/util.py
@@ -42,9 +42,9 @@ def __call__(self, parser, namespace, values, option_string=None):
             return
 
         username = environ['USER']
-        raise argparse.ArgumentTypeError(f'{prospective_dir} is not a '
-                                         'readable directory (checking as user'
-                                         f' {username})')
+        msg = '{} is not a readable directory (checking as user {})'.format(
+            prospective_dir, username)
+        raise argparse.ArgumentTypeError(msg)
 
 
 class ReadableDirectoryListAction(argparse.Action):