Update app.py

app.py

@@ -260,7 +260,7 @@ def get_selected_files(html_structure, repo_tree):
 def generate_file_checkboxes(tree):
     """Generate file checkboxes for selection."""
     if not tree:
-        return []
+        return {}  # Return empty dictionary instead of empty list
     
     blob_items = [item for item in tree if item.get('type') == 'blob']
     file_options = {}
@@ -405,4 +405,4 @@ with gr.Blocks(css="""
 
 # Launch the app
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch(share=True)  # Added share=True to create a public link