Kernal dies upon execution

[smchartrand]

I have tried to use mtspec within both the Jupyter and Spyder environments, and each time I receive the following error message: "The kernel appears to have died. It will restart automatically." This happens over and over again. I have completed a full update of anaconda with 'conda update --all'. Restarted my machine. Restarted Anaconda-Navigator, etc. Nothing seems to make a difference. I ran the mtspec test and here is the output from terminal:

(base) smchartrand@SMC-Chaos ~ $ python -m mtspec.tests ..... Filter ..........s

Ran 16 tests in 13.766s

OK (skipped=1)

I am not sure if it is okay that 1 was skipped? Based on related posts I have read at Stack Exchange, I believe this is not an issue with the mtspec code, but I am raising this issue in case you have a solution. I am running Linux Mint 18.3 Thanks for your help.