nits fixes

Author: srikanth-scale

nucleus/__init__.py

@@ -139,7 +139,7 @@ def list_models(self) -> List[Model]:
         model_objects = self._make_request({}, "models/", requests.get)
 
         try:
-            models = [Model(model['id'], model["name"], model["ref_id"], model["metadata"], self) for model in model_objects['models']]
+            models = [Model(model["id"], model["name"], model["ref_id"], model["metadata"], self) for model in model_objects["models"]]
             return models
         except e:
             return []

nucleus/model.py

@@ -25,7 +25,7 @@ def __init__(
         self._client = client
 
     def __repr__(self):
-        return f'Model({self.id}, {self.name}, {self.reference_id}, {self.metadata}, {self._client})'
+        return f'Model(model_id={self.id}, name={self.name}, reference_id={self.reference_id}, metadata={self.metadata}, client={self._client})'
 
     def create_run(
         self,