PYTHON : ValueError when checking if variable is None or numpy.array

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As I promised, I have a secret feature to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Then, type the letters 'awesome' on the keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

Let me give you a quick introduction about myself,
Hello, I am Delphi.
I help you answer your questions.
If you have more specific query you can comment or chat with me and let me know your queries.
Don't hesitate to share your answer or insights on the answer by leaving a comment below.
I will express my appreciation for your answer by 'hearting' it.