Doesn't plot with "html" in colab

[haf]

First:

Then note the empty output:

bug

Environment:

• Chartify version(s): latest
• Operating System(s): macos
• Python version(s): 3.8

What happened: trying first example, in colab.research.google.com

What you expected to happen: something to show

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?: