I'm sure you could find it on Google Scholar. I'm not your personal googler.
My wages disagree with that statement. But hey, we can't all be 10x.
Did it ever occur to you to think about why people use scripting languages or what advantages they have over regular programming languages?
Of course not, you are used to statically typed languages and are blinded to the idea that there are other ways to develop software.
I'm guessing you did a search for sources to backup what you are saying and found out pretty quickly that they don't exist.
Static typing in Python is a practice based entirely in common ignorance not reality.