Merge pull request #169 from tehkillerbee/fix/token_type

Explicitly set token type when using pkce auth.

mopidy_tidal/backend.py

@@ -190,7 +190,7 @@ def _web_auth_callback(self, url_redirect: str):
                     str, Union[str, int]
                 ] = self._active_session.pkce_get_auth_token(url_redirect)
                 # Parse and set tokens.
-                self._active_session.process_auth_token(json)
+                self._active_session.process_auth_token(json, is_pkce_token=True)
                 self._logged_in = True
             except:
                 raise ValueError("Response code is required for PKCE login!")