PYTHON : ValueError: Unknown layer: Functional

PYTHON : ValueError: Unknown layer: Functional
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I'm going to share a hidden feature with you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Next, enter the letters 'awesome' on your keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A little intro about me,
Hello there, my name is Delphi.
Let me help you get the answers you need to your questions.
PYTHON : ValueError: Unknown layer: Functional
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: Functional ValueError: PYTHON layer: Unknown