Update src/streamlit_app.py

src/streamlit_app.py

@@ -135,7 +135,7 @@ def filter_content(content_list, filters):
             
         # Rating filter
         if filters['ratings']:
-            rating = content.get('rating', '').strip()
+            rating = (content.get('rating') or '').strip()
             # Only compare if rating is a valid string and not a duration
             if not rating or not isinstance(rating, str) or rating.endswith('min'):
                 matches_all_filters = False