BUG: inside academia research topics scraper function

[GbCderr14]

Is there an existing issue for this?

• [x] I have searched the existing issues there is no existing issue for this

What happened?

In academia.py file current scrapping function of get_research_topics() is returning None. Debugged the code already and want to fix it as a contributor. Also this issue can be seen by running its test file.

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