Добавлено более подробное описание ошибки

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "oxidespotify"
-version = "0.2.0"
+version = "0.2.2"
 description = "Client for Spotify API"
 readme = "README.md"
 authors = [{ name = "Miwory", email = "miwory.uwu@gmail.com" }]

src/oxidespotify/api.py

@@ -36,7 +36,9 @@ class SpotifyAPIClient(OxideHTTP):
     async def _process[T: BaseModel](
         self, req: Response | CachedResponse, schema: type[T] | None
     ) -> T | None:
-        if req.status_code == 204:
+        if req.status_code == 204 or (
+            req.status_code == 200 and schema is None
+        ):
             return None
 
         if req.status_code >= 500:

src/oxidespotify/auth.py

@@ -41,7 +41,8 @@ class SpotifyAuthClient(OxideHTTP):
 
         data = await req.json()
         if req.status_code >= 400:
-            raise s.ClientError(req.status_code, data['error'])
+            err = f'{data["error"]}: {data["error_description"]}'
+            raise s.ClientError(req.status_code, err)
 
         return schema.model_validate(data)