RateLimitError; That model is still being loaded

I have a personal account to test open ai

I have a issue with I use my models (which are fine tuned). When I used to generate a text, I got always this error : “openai.error.RateLimitError: That model is still being loaded. Please try again shortly.

Note : I do not use multithreading. I even use the time.sleep function for 1 minute to avoird 20 requests per min. I asked to open ai support, but I did not receive any reply…

Do you have any idea how I can “pass” this error ?

Thanks