UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xff in position 0 when deploying to Heroku
That entire traceback is inside these parentheses: () is not available for this stack. That is the message shown when you request a Python runtime that isn’t available. In this case, it looks like your runtime.txt can’t even be read due to an unexpected encoding. Delete it, then create a new file containing something like … Read more