GLOB sdist-make: /tmp/tmpwt88ngrc/pytest-adf-0.1.2/setup.py
ERROR: invocation failed (exit code 1), logfile: /tmp/tmpwt88ngrc/pytest-adf-0.1.2/.tox/log/GLOB-0.log
================================== log start ===================================
Traceback (most recent call last):
  File "setup.py", line 8, in <module>
    version = os.environ['PACKAGE_VERSION']
  File "/home/travis/virtualenv/python3.6.7/lib/python3.6/os.py", line 669, in __getitem__
    raise KeyError(key) from None
KeyError: 'PACKAGE_VERSION'

=================================== 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/tmpwt88ngrc/pytest-adf-0.1.2/.tox/dist', 1)


Time: 9.9 seconds