delete check for

Signed-off-by: helenxie-bit <[email protected]>

sdk/python/v1beta1/kubeflow/katib/api/katib_client.py

@@ -416,7 +416,7 @@ class name in this argument.
 
         # If users choose to use a custom objective function.
         if objective is not None or parameters is not None:
-            if not objective or not base_image or not parameters:
+            if not objective or not parameters:
                 raise ValueError("One of the required parameters is None")
             # Add metrics collector to the Katib Experiment.
             # Up to now, we only support parameter `kind`, of which default value