sherab@sherab-librem:~/qutebrowser$ tox -e mkvenv-pypi
mkvenv-pypi create: /home/sherab/qutebrowser/.tox/mkvenv-pypi
mkvenv-pypi develop-inst: /home/sherab/qutebrowser
mkvenv-pypi installed: attrs==19.3.0,Jinja2==2.10.3,MarkupSafe==1.1.1,pkg-resources==0.0.0,Pygments==2.5.2,pyPEG2==2.15.2,PyYAML==5.3,-e git+https://github.com/qutebrowser/qutebrowser.git@f632a0b66e56997dc82b94bf8f4ba7e2e5d785a4#egg=qutebrowser
mkvenv-pypi run-test-pre: PYTHONHASHSEED='3758689258'
mkvenv-pypi runtests: commands[0] | /home/sherab/qutebrowser/.tox/mkvenv-pypi/bin/python scripts/mkvenv.py --tox-error

tox -e mkvenv-pypi is deprecated. Please use scripts/mkvenv.py instead.

ERROR: InvocationError for command '/home/sherab/qutebrowser/.tox/mkvenv-pypi/bin/python scripts/mkvenv.py --tox-error' (exited with code 1)