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Docs Building on Travis is Failing

See original GitHub issue

Travis is failing to build docs and is failing with a strange import error:

Traceback (most recent call last):
  File "/home/travis/anaconda/envs/deepchem/bin/sphinx-apidoc", line 7, in <module>
    from sphinx.apidoc import main
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/apidoc.py", line 25, in <module>
    from sphinx.util.osutil import walk
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/util/__init__.py", line 27, in <module>
    import docutils
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/util/docutils.py", line 25, in <module>
    from sphinx.locale import __
ImportError: cannot import name __
Traceback (most recent call last):
  File "/home/travis/anaconda/envs/deepchem/bin/sphinx-build", line 11, in <module>
    sys.exit(main())
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/__init__.py", line 51, in main
    sys.exit(build_main(argv))
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/__init__.py", line 61, in build_main
    from sphinx import cmdline
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/cmdline.py", line 23, in <module>
    from sphinx.application import Sphinx
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/application.py", line 31, in <module>
    from sphinx.roles import XRefRole
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/roles.py", line 21, in <module>
    from sphinx.util import ws_re
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/util/__init__.py", line 27, in <module>
    import docutils
  File "/home/travis/anaconda/envs/deepchem/lib/python2.7/site-packages/sphinx/util/docutils.py", line 25, in <module>
    from sphinx.locale import __
ImportError: cannot import name __
About to push docs to s3
ERROR: Parameter problem: Invalid character(s) in header name ''content-type'': "''"
ERROR: Parameter problem: Invalid character(s) in header name ''content-type'': "''"

Does anyone have any ideas on what’s going on here?