fix: describe_model if hub_name has been explicitly provided

Author: Malav Shastri

src/sagemaker/jumpstart/hub/hub.py

@@ -277,13 +277,13 @@ def describe_model(
             model_version = get_hub_model_version(
                 hub_model_name=model_name,
                 hub_model_type=HubContentType.MODEL_REFERENCE.value,
-                hub_name=self.hub_name,
+                hub_name=self.hub_name if not hub_name else hub_name,
                 sagemaker_session=self._sagemaker_session,
                 hub_model_version=model_version,
             )
 
             hub_content_description: Dict[str, Any] = self._sagemaker_session.describe_hub_content(
-                hub_name=self.hub_name,
+                hub_name=self.hub_name if not hub_name else hub_name,
                 hub_content_name=model_name,
                 hub_content_version=model_version,
                 hub_content_type=HubContentType.MODEL_REFERENCE.value,
@@ -297,7 +297,7 @@ def describe_model(
             model_version = get_hub_model_version(
                 hub_model_name=model_name,
                 hub_model_type=HubContentType.MODEL.value,
-                hub_name=self.hub_name,
+                hub_name=self.hub_name if not hub_name else hub_name,
                 sagemaker_session=self._sagemaker_session,
                 hub_model_version=model_version,
             )