Jackson L. Lee

Travis CI builds don't pass with master branch anymore

3

Curiously, the master branch (updated about two months ago) has had the builds all [passed](https://travis-ci.org/civisanalytics/muffnn/jobs/614077823?utm_medium=notification&utm_source=github_status), while the exact same code now apparently [cannot pass the builds](https://travis-ci.org/civisanalytics/muffnn/jobs/648573246?utm_medium=notification&utm_source=github_status). The test failures are...

The TensorFlow dependency is currently [pinned](https://github.com/civisanalytics/muffnn/blob/be3a67e3f1ff6ff534481d18e4b38d0b77decee6/setup.py#L23) at `>=1.12.1,