"No module named jupyter_client.manager" error throws up in Travis CI tests

[Sreehari S]

I am trying to test a bunch of ipython notebooks and I've been trying to do the same using the 'nbformat' and the 'nbconvert' libraries. 

I get the error - "No module named jupyter_client.manager" on the Travis CI tests and this does not happen when I run the tests locally.

The .travis.yml file has the following under install:
install:

  - conda create --yes -n gensim-test python=$TRAVIS_PYTHON_VERSION pip atlas numpy scipy

  - source activate gensim-test

  - pip install pyemd

  - pip install annoy

  - pip install testfixtures

  - pip install entrypoints

  - pip install .

What exactly should I do to remove the error in the CI tests? As in, do I have to separately install jupyter_client by specifying it in the .travis.yml file?

The error trace looks like this on the Travis CI logs:

======================================================================
ERROR: test_notebooks (gensim.test.test_notebooks.TestNotebooks)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/travis/build/RaRe-Technologies/gensim/gensim/test/test_notebooks.py", line 50, in test_notebooks
    nb, errors = _notebook_run(notebook)
  File "/home/travis/build/RaRe-Technologies/gensim/gensim/test/test_notebooks.py", line 32, in _notebook_run
    ep.preprocess(nb, {'metadata': {'path': this_file_directory}})
  File "/home/travis/build/RaRe-Technologies/gensim/.eggs/nbconvert-5.0.0b1-py2.7.egg/nbconvert/preprocessors/execute.py", line 166, in preprocess
    from jupyter_client.manager import start_new_kernel
ImportError: No module named jupyter_client.manager
======================================================================
ERROR: test_notebooks (gensim.test.test_notebooks.TestNotebooks)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/travis/build/RaRe-Technologies/gensim/gensim/test/test_notebooks.py", line 50, in test_notebooks
    nb, errors = _notebook_run(notebook)
  File "/home/travis/build/RaRe-Technologies/gensim/gensim/test/test_notebooks.py", line 32, in _notebook_run
    ep.preprocess(nb, {'metadata': {'path': this_file_directory}})
  File "/home/travis/build/RaRe-Technologies/gensim/.eggs/nbconvert-5.0.0b1-py2.7.egg/nbconvert/preprocessors/execute.py", line 166, in preprocess
    from jupyter_client.manager import start_new_kernel
ImportError: No module named jupyter_client.manager

[Thomas Kluyver]

On 11 November 2016 at 12:33, Sreehari S <sree...@gmail.com> wrote:

What exactly should I do to remove the error in the CI tests? As in, do I have to separately install jupyter_client by specifying it in the .travis.yml file?

You either need to install jupyter_client, or install nbconvert[execute] - this is equivalent; nbconvert has an extra called 'execute' which depends on jupyter_client.

[Sreehari S]

Thank you! I added jupyter_client to the test dependencies and it worked!