Error Message:

06:42:18 Extension error:
06:42:18 Could not import extension sphinxcontrib.blockdiag (exception: No module named utils.rst.nodes)
06:42:18 ERROR: InvocationError for command /w/workspace/vnfrqts-requirements-master-build-and-upload/.tox/needs/bin/sphinx-build -c . -b needs -n -d /w/workspace/vnfrqts-requirements-master-build-and-upload/.tox/needs/tmp/doctrees ./docs/ ./docs/data/ (exited with code 2)

This appears to be related to the fact that the job is executing in a Python 2.7 environment, but the sphinxcontrib libraries are not compatible with Python 2.7. The CI Management job needs to be updated to run on Python 3.5/6/7+