ValueError: Could not process parameters in Python/MySQL

I believe the source of the problem is in the line

user_query = (username_info)

It should be

user_query = (username_info,)

The trailing comma is the syntactic difference between an expression in parentheses and a tuple.

Another issue with code is the query:

find_user = ("SELECT * FROM useraccess WHERE user_type = ?")

Which should be:

find_user = ("SELECT * FROM useraccess WHERE user_type = %s")

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