Update app.py

app.py

@@ -28,7 +28,7 @@ def main_process(uploaded_file):
     # Save the uploaded file to the temporary directory
     temp_path = os.path.join(temp_dir, file_name)
     with open(temp_path, "wb") as temp_file:
-        temp_file.write(uploaded_file[file_name])
+        temp_file.write(uploaded_file.getvalue())
 
     # Process the uploaded file
     loader = UnstructuredFileLoader(temp_path)