def access_token(self):
        """Get access_token."""
        if self.cache_token:
            return self.access_token_ or \
                   self._resolve_credential('access_token')
        return self.access_token_
def access_token ( self ) : if self . cache_token : return self . access_token_ or self . _resolve_credential ( 'access_token' ) return self . access_token_
Get access_token.