Right 
I’ve had this problem a few times in the past when I start back using python after not using it for a while.
Now I am getting a weird message in large bold html font that is probably more to do with my Jupyter instance:
TypeError: Cannot read property ‘__esModule’ of undefined at
in p
in Unknown
in ForwardRef
in span
in div
in div
in div
in t
in div
in div
in div
in div
in div
in t
in h
in t
in div
in div
in div
in t
in main
in div
in t
in h
in f