[Python] Python - How do I fix "SyntaxError: Non-ASCII character '\xd1'" in charset_normalizer...

I'm trying to run a python script that has a dependency on charset_normalizer. When I execute the script with the command:

python myscript.py

I get the following error: SyntaxError: Non-ASCII character '\xd1' in file /usr/local/lib/python3.9/dist-packages/charset_normalizer/__init__.py on line 12, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details

I am using Python3.9 on Debian, and I have the PYTHONUTF8 environment variable set to 1

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