Update virtualenv to 20.0.16#1102

pyup-bot wants to merge 1 commit intomasterkragniz/python-etcd3:masterfrom

pyup-update-virtualenv-20.0.13-to-20.0.16kragniz/python-etcd3:pyup-update-virtualenv-20.0.13-to-20.0.16Copy head branch name to clipboard