Update app.py

app.py

@@ -90,7 +90,7 @@ with tempfile.TemporaryDirectory(dir=os.path.expanduser("~/app")) as temp_dir:
         # Get the file contents as a string
         str_data = config.read()
         # Write the string to the temporary file
-        temp.write(str_data)
+        temp.write(bytes_data.decode())
         config_temp_file = temp.name
         # Print the temporary file name
         print(temp.name)