Update my_spawner.py

extraFiles/my_spawner.py

@@ -74,7 +74,7 @@ class MySpawner(KubeSpawner):
         },
         {
             'display_name': 'Stack Minimal + Desktop GUI + Relion',
-            'kubespawner_override': {
+            'kubespawner_override': [{
                 'image_spec': 'localhost:30081/prp/jupyter-stack/relion-desktop',
                 'lifecycle_hooks': {
                    'postStart': {
@@ -88,7 +88,7 @@ class MySpawner(KubeSpawner):
                       }
                    }
                 }
-            }
+            }]
         },
         {
             'display_name': 'Stack Datascience',