added exception to catch missing name and generateName

Signed-off-by: Bharath Krishna <bharathk005@gmail.com>

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

@@ -93,11 +93,15 @@ def create_experiment(
 
         namespace = namespace or self.namespace
 
-        if 'name' in experiment.metadata and experiment.metadata.name:
+        experiment_name = None
+        if experiment.metadata.name is not None:
             experiment_name = experiment.metadata.name
-        else:
+        elif experiment.metadata.generate_name is not None:
             experiment_name = experiment.metadata.generate_name
 
+        if experiment_name is None:
+            raise ValueError("Experiment must have a name or generateName")
+
         try:
             outputs = self.custom_api.create_namespaced_custom_object(
                 constants.KUBEFLOW_GROUP,