Oh, for those who cannot reprocuce the bootstrap error locally, try using a virtualenv without setuptools, otherwise the failing part gets ignored:
virtualenv --no-setuptools --no-pip --no-wheel --python=python2.7 .
Oh, for those who cannot reprocuce the bootstrap error locally, try using a virtualenv without setuptools, otherwise the failing part gets ignored:
virtualenv --no-setuptools --no-pip --no-wheel --python=python2.7 .