api format error (run from main_spot_script.py)

[newtonthird]

successful when run from main.py
but returns "api format error" when run from main_spot_script.py
how to solve it?

[51bitquant]

pls check your api-key and api-secret, you may have str '\n' at the end of your api key or secret. you can check the api at your-project-directory/howtrader/connect_xxxxx.json file.