00:00:11.460 [test] ============================= test session starts ==============================
00:00:11.462 [test] platform linux2 -- Python 2.7.14, pytest-3.7.0, py-1.5.4, pluggy-0.7.1
00:00:11.463 [test] rootdir: /app, inifile:
00:00:11.465 [test] plugins: flake8-1.0.1
00:00:11.466 [test] collected 0 items / 1 errors
00:00:11.467 [test] 
00:00:11.468 [test] ==================================== ERRORS ====================================
00:00:11.470 [test] ______________________________ ERROR collecting  _______________________________
00:00:11.471 [test] /usr/lib/python2.7/site-packages/_pytest/runner.py:201: in __init__
00:00:11.473 [test]     self.result = func()
00:00:11.474 [test] /usr/lib/python2.7/site-packages/_pytest/runner.py:261: in <lambda>
00:00:11.475 [test]     call = CallInfo(lambda: list(collector.collect()), "collect")
00:00:11.477 [test] /usr/lib/python2.7/site-packages/_pytest/main.py:475: in collect
00:00:11.478 [test]     for x in self._collect(arg):
00:00:11.480 [test] /usr/lib/python2.7/site-packages/_pytest/main.py:539: in _collect
00:00:11.481 [test]     for y in self.matchnodes(col, names):
00:00:11.482 [test] /usr/lib/python2.7/site-packages/_pytest/main.py:605: in matchnodes
00:00:11.483 [test]     num = len(nodes)
00:00:11.485 [test] E   TypeError: object of type 'Package' has no len()
00:00:11.486 [test] ----------------- generated xml file: /test-reports/pytest.xml -----------------
00:00:11.487 [test] =============================== warnings summary ===============================
00:00:11.489 [test] <undetermined location>
00:00:11.490 [test]   could not create cache path /app/.pytest_cache/v/cache/nodeids
00:00:11.491 [test]   could not create cache path /app/.pytest_cache/v/cache/lastfailed
00:00:11.492 [test] 
00:00:11.493 [test] -- Docs: http://doc.pytest.org/en/latest/warnings.html
00:00:11.495 [test] !!!!!!!!!!!!!!!!!!! Interrupted: 1 errors during collection !!!!!!!!!!!!!!!!!!!!
00:00:11.496 [test] ===================== 2 warnings, 1 error in 0.13 seconds ======================