Update my_spawner.py

extraFiles/my_spawner.py

@@ -79,15 +79,15 @@ class MySpawner(KubeSpawner):
                 'lifecycle_hooks': {
                    'postStart': {
                       'exec': {
-                        'command': {[
+                        'command': {
                            'sh',
                            '-c',
                            '/home/jovyan/shared/.software/prog-desktop.sh || true',           
-                        ]},
-                      },
-                   },
-                },
-            },
+                        }
+                      }
+                   }
+                }
+            }
         },
         {
             'display_name': 'Stack Datascience',