Can't get user details from request.user in django

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My question:
I need current login user details in django. So I am trying to collect user information from request.user but when I hit the url from browser I am getting expected result but when I hit the same url in postman it can’t get the user information hence getting error though I am providing bearer token. The first image is from browser second one from postman.

Details (like screenshots):

How I found the problem:

I’ve already tried:
Already tried to debug it using pdb.set_trace() but when I try from browser I get user details session details unlike postman.