Not creating a new Oauth2Session in MendeleyAuthorizationCodeTokenRefresher

Fixes #10

Author: wrongu

mendeley/auth.py

@@ -104,7 +104,4 @@ def __init__(self, authenticator):
         self.redirect_uri = authenticator.mendeley.redirect_uri
 
     def refresh(self, session):
-        oauth = OAuth2Session(client=self.client, redirect_uri=self.redirect_uri, scope=['all'])
-        oauth.compliance_hook['access_token_response'] = [handle_text_response]
-
-        session.token = oauth.refresh_token(self.token_url, auth=self.auth)
+        session.refresh_token(self.token_url, auth=self.auth)