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When I have deploy my Flask app and run on postman it takes many response time and i have get 502 bed gateway error. When i see error logs there error is OSError write error. Tell how to fix this.

And tell me can i have deploy huggingface transformer models on pythonanywhere?

@asadrehman2206 I had this same kind of error today. It turn out it was an error with my code. Debug your code there maybe some code error somewhere like an undefined variable. A try/except block may help better to catch such exceptions.

@asadrehman2206 -- @ericel123's suggestion is right, try debugging your code starting with your web app's error logs. Regarding the other question, have a look at this help page.