.tox/py3/lib/python3.7/site-packages/swh/lister/maven/tests/test_lister.py:12: in <module> from swh.lister.maven.lister import MavenLister .tox/py3/lib/python3.7/site-packages/_pytest/assertion/rewrite.py:170: in exec_module exec(co, module.__dict__) .tox/py3/lib/python3.7/site-packages/swh/lister/maven/lister.py:15: in <module> import docker E ModuleNotFoundError: No module named 'docker'