fix no hub keys bug

openbb_sdk/sdk/core/openbb_core/app/model/hub/hub_user_settings.py

@@ -1,12 +1,14 @@
 # from typing import Dict, List, Union
 
-
 from openbb_core.app.model.hub.features_keys import FeaturesKeys
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 
 
 class HubUserSettings(BaseModel):
     # features_settings: Dict[str, str]
-    features_keys: FeaturesKeys
+    features_keys: FeaturesKeys = Field(default_factory=FeaturesKeys)
     # features_sources: Dict[str, List[str]]
     # features_terminal_style: Dict[str, Union[str, Dict[str, str]]]
+
+    class Config:
+        validate_assignment = True

openbb_sdk/sdk/core/openbb_core/app/service/hub_service.py

@@ -178,7 +178,8 @@ class HubService:
         )
         if response.status_code == 200:
             user_settings = response.json()
-            return HubUserSettings.parse_obj(user_settings)
+            filtered = {k: v for k, v in user_settings.items() if v is not None}
+            return HubUserSettings.parse_obj(filtered)
         status_code = response.status_code
         detail = response.json().get("detail", None)
         raise HTTPException(status_code, detail)