Got it...

getnikola · Apr 27, 2018 · b3d8f47 · b3d8f47
1 parent 74b050b
commit b3d8f47
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/nikola/post.py b/nikola/post.py
@@ -268,8 +268,8 @@ def __init__(
                     is_private = False
                     is_draft = True
                 else:
-                    LOGGER.warn('The post "{0}" has the unknown status "{1}". ' +
-                                'Valid values are "published", "private" and "draft".'.format(self.source_path, status))
+                    LOGGER.warn(('The post "{0}" has the unknown status "{1}". ' +
+                                 'Valid values are "published", "private" and "draft".').format(self.source_path, status))
 
             if self.config['WARN_ABOUT_TAG_METADATA']:
                 if 'draft' in [_.lower() for _ in self._tags[lang]]: