PYTHON : Python - TypeError - TypeError: ' ' not supported between instances of 'NoneType' and 'int'

PYTHON : Python - TypeError - TypeError: ' ' not supported between instances of 'NoneType' and 'int'
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Then, type the letters 'awesome' on the keyboard.
Your YouTube progress indicator will turn into a shimmering rainbow.

A short overview of who I am,
Hi there, I go by the name of Delphi.
Let me assist you in answering any questions you may have.
PYTHON : Python - TypeError - TypeError: ' ' not supported between instances of 'NoneType' and 'int'
Please don't hesitate to let me know if you have more specific queries by commenting or chatting with me.
Your thoughts and contributions are welcome, so please leave a comment below if you have an answer or insights to the answer.
Your answer will be acknowledged and appreciated, and I will 'heart' it as a sign of gratitude.
' PYTHON between supported TypeError - of instances : Python TypeError: not and ' 'NoneType' 'int' -