Update app.py

app.py

@@ -352,6 +352,8 @@ def get_or_download_code(file_name: str) -> str:
 
 
 def _load_excel_as_text(file_name: str) -> str:
+    import pandas as pd
+    import os
     
     file_path = os.path.join("data", file_name)
     try: