issue2550925 strip HTTP_PROXY environment variable if deployed as CGI and client sends an http PROXY header, the tainted HTTP_PROXY environment variable is created. It can affect calls using requests package or curl. A roundup admin would have to write detectors/extensions that use these mechanisms. Not exploitable in default config. See: https://httpoxy.org/

@rem python -m pip install sphinx
@rem python -m pip install sphinxcontrib-cheeseshop

python -m sphinx . html