为什么我得到一个不受支持的问题错误

I am writing a program that uses Mechanize to scrape a student's grades and classes from edline.net using a student account and return the data I need. However, after logging in, from the homepage I have to access a link (called 'Private Reports') which will then dynamically return a page of links to each of the student's classes and respective grades. I am writing a program that uses Mechanize to s