Update gallery_generator.py

Author: jordanplanders

_extensions/gallery_generator.py

@@ -73,7 +73,7 @@ def generate_repo_dicts(all_items):
     repo_dicts = []
     chapter_dicts = []
     logging = False
-    
+
     for item in all_items:
         host = item['host'].strip()
         user = item['user'].strip()