Bugfix to handle no data in group_topic_children

ingest.py

@@ -153,11 +153,11 @@ def ingest_canvas_discussions(input_url, access_token):
             print(f'Error: {instruction_response.text}')
 
         # Check if the discussion is an individual discussion with associated group-based discussions
-        if 'group_topic_children' in instruction_data:
+        if 'group_topic_children' in instruction_data and len(instruction_data['group_topic_children']) > 0:
             # Extract and save group-based discussions
             group_entries = extract_group_discussions(instruction_data['group_topic_children'], headers)
             os.makedirs('docs', exist_ok=True)
-            print("Extracted group discussion entries")
+            print("Extracted group discussion entries: {}", str(len(group_entries)))
             for group_entry in group_entries:
                 save_messages(group_entry['entries'], group_entry['group_id'])
         else: