fix import web/main_content_extractor

[serdarjan1995]

Description

Fixed package import typo

Fixes # web/main_content_extractor import issue

Type of Change

• [x] Bug fix / Smaller change

How Has This Been Tested?

• [x] I stared at the code and made sure it makes sense

Suggested Checklist:

• [x] I have performed a self-review of my own code
• [x] My changes generate no new warnings