Run Sqoop notebook stop at error

Traceback (most recent call last):
  File "/Users/yingc/hue/desktop/libs/notebook/src/notebook/decorators.py", line 97, in decorator
    return func(*args, **kwargs)
  File "/Users/yingc/hue/desktop/libs/notebook/src/notebook/api.py", line 168, in execute
    response = _execute_notebook(request, notebook, snippet)
  File "/Users/yingc/hue/desktop/libs/notebook/src/notebook/api.py", line 119, in _execute_notebook
    response['handle'] = get_api(request, snippet).execute(notebook, snippet)
  File "/Users/yingc/hue/desktop/libs/notebook/src/notebook/connectors/oozie_batch.py", line 69, in execute
    workflow_doc = WorkflowBuilder().create_notebook_workflow(notebook=notebook, user=self.user, managed=True, name=_("%s for %s") % (OozieApi.BATCH_JOB_PREFIX, notebook['name'] or notebook['type']))
  File "/Users/yingc/hue/apps/oozie/src/oozie/models2.py", line 3838, in create_notebook_workflow
    for snippet in notebook['snippets']:
KeyError: 'snippets'