We test in proto area not in site-packages. --- virtualenv-20.30.0/tox.ini.orig +++ virtualenv-20.30.0/tox.ini @@ -31,7 +31,7 @@ COVERAGE_FILE = {toxworkdir}/.coverage.{envname} COVERAGE_PROCESS_START = {toxinidir}/pyproject.toml PYTHONWARNDEFAULTENCODING = 1 - _COVERAGE_SRC = {envsitepackagesdir}/virtualenv + _COVERAGE_SRC = virtualenv commands = !graalpy: coverage erase !graalpy: coverage run -m pytest {posargs:--junitxml "{toxworkdir}/junit.{envname}.xml" tests --int}