GLOB sdist-make: /tmp/tmp60tx9frq/pytest-jupyter-0.0.1/setup.py ERROR: invocation failed (exit code 1), logfile: /tmp/tmp60tx9frq/pytest-jupyter-0.0.1/.tox/log/GLOB-0.log ================================== log start =================================== Traceback (most recent call last): File "setup.py", line 4, in from jupyter_packaging import get_version ModuleNotFoundError: No module named 'jupyter_packaging' =================================== log end ==================================== ERROR: FAIL could not package project - v = InvocationError('/home/travis/virtualenv/python3.6.7/bin/python setup.py sdist --formats=zip --dist-dir /tmp/tmp60tx9frq/pytest-jupyter-0.0.1/.tox/dist', 1) Time: 2.7 seconds