def access_token(self, token):
        try:
            return self.get_querystring(self.ACCESS_TOKEN_URL,
                                        auth=self.oauth_auth(token))
        except HTTPError as err:
            # Evernote returns a 401 error when AuthCanceled
            if err.response.status_code == 401:
                raise AuthCanceled(self, response=err.response)
            else:
                raise
Return request for access token value
dataset/ETHPy150Open omab/python-social-auth/social/backends/evernote.py/EvernoteOAuth.access_token