Fix tests

mopidy_funkwhale/client.py

@@ -58,6 +58,10 @@ class APIClient(object):
         self.config = config
         self.oauth_token = get_token(config)
 
+        token_endpoint = (
+            config["funkwhale"].get("token_endpoint") or "/api/v1/oauth/token/"
+        )
+
         self.session = get_requests_session(
             config["funkwhale"]["url"],
             proxy_config=config["proxy"],
@@ -65,9 +69,7 @@ class APIClient(object):
             base_cls=OAuth2Session,
             client_id=self.config["funkwhale"]["client_id"],
             token=self.oauth_token,
-            auto_refresh_url=config["funkwhale"]["url"]
-            + config["funkwhale"].get("token_endpoint")
-            or "/api/v1/oauth/token/",
+            auto_refresh_url=config["funkwhale"]["url"] + token_endpoint,
             auto_refresh_kwargs={
                 "client_id": self.config["funkwhale"]["client_id"],
                 "client_secret": self.config["funkwhale"]["client_secret"],