Google OAuth2 Authorizing OAuth token error: redirect_uri_mismatch

Question

I am Creating and Authorizing an OAuth Token according to this webpage: https://code.google.com/p/google-mail-oauth2-tools/wiki/OAuth2DotPyRunThrough

But I got this

Answer 1

Please note that the 'redirect_uri' value of the Token request need to be the same as the 'redirect_uri' value of the Authorization request.