Failures running tests with py.test

Read: How to check what version of NuPIC is installed

But it looks like you installed via pip, which gets you the latest stable release: 1.0.3. But you are running tests from tip of master in the source code repository, which is version 1.0.4.dev0.

To properly run the tests, you’ll need to install from source code. There are instructions in the readme for how to do this.