C2_W1_Lab02_CoffeeRoasting_TF did not generate output for the last cell for a very long time

In Lab 2 from week 1 of Advanced learning algorithms, the last cell did not generate any output for a very long time. I tried restarting the kernel 2 times and rerunning the cells but I still did not see any output for the last cell until several minutes had past, then it appeared.

So much time elapsed my original post was to report there was no output, when it appeared, I changed my tune but wanted to let someone know.

There is a known issue with the matplotlib package when used within Coursera Labs environment. It’s not entirely reliable.

So far course staff have been unable to fix it.

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