GLOB sdist-make: /tmp/tmpem5tjc7u/pytest-demo-0.1.3/setup.py py36 create: /tmp/tmpem5tjc7u/pytest-demo-0.1.3/.tox/py36 py36 installdeps: pytest==6.0.1 py36 inst: /tmp/tmpem5tjc7u/pytest-demo-0.1.3/.tox/.tmp/package/1/pytest-demo-0.1.3.zip ERROR: invocation failed (exit code 1), logfile: /tmp/tmpem5tjc7u/pytest-demo-0.1.3/.tox/py36/log/py36-2.log ================================== log start =================================== Processing ./.tox/.tmp/package/1/pytest-demo-0.1.3.zip Installing build dependencies: started Installing build dependencies: finished with status 'done' Getting requirements to build wheel: started Getting requirements to build wheel: finished with status 'done' Preparing wheel metadata: started Preparing wheel metadata: finished with status 'done' ERROR: Package 'pytest-demo' requires a different Python: 3.6.7 not in '>=3.7,<4.0' =================================== log end ==================================== ___________________________________ summary ____________________________________ ERROR: py36: InvocationError for command /tmp/tmpem5tjc7u/pytest-demo-0.1.3/.tox/py36/bin/python -m pip install --exists-action w .tox/.tmp/package/1/pytest-demo-0.1.3.zip (exited with code 1) write json report at: /tmp/tmpem5tjc7u/pytest-demo-0.1.3/result.json Time: 68.6 seconds