Master linkedin restapi msh

- Task: https://www.odoo.com/web?#id=8830&view_type=form&model=project.task&menu_id=3942&action=327
- Pad: https://pad.odoo.com/p/r.esmRR7w6RxXjBBlx
@rga-odoo IF I use urllib2 i will always get status 200(OK)  and while using requests i will get 500 internal server error(using raise_for_status method of Request)(when invalid key) when checking the api key.I can not able to get any method or other way to check the API key is Valid or not So i can use the Requests