Comment by aftbit

It's safe to upgrade with python 3.12.16 now:

  # docker run --rm --net=host --add-host=pypi.org:127.0.0.1 --add-host=files.pythonhosted.org:127.0.0.1 python:3.12.16-slim-trixie pip install six
  WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate rejected (_ssl.c:1011)'))': /simple/six/