fix: type hint

app.py

@@ -30,7 +30,7 @@ def create_temp_file(path: str) -> str:
     return temp_path
 
 
-def main(property: str, data_file: str):
+def main(property: str, data_file: gr.File):
 
     print(data_file, data_file.orig_name, data_file.name)