Validation Error: 'outputExpanded' was unexpected #73
Description
Getting the following validation error while trying to access a notebook:
Major Version: 4,
Minor Version: 0
In [8]: nbformat.validate(k)
---------------------------------------------------------------------------
NotebookValidationError Traceback (most recent call last)
<ipython-input-8-0dec2369f8ed> in <module>()
----> 1 nbformat.validate(k)
//anaconda/lib/python2.7/site-packages/nbformat/validator.pyc in validate(nbjson, ref, version, version_minor)
240 return validator.validate(nbjson)
241 except ValidationError as e:
--> 242 raise better_validation_error(e, version, version_minor)
243
NotebookValidationError: Additional properties are not allowed (u'outputExpanded' was unexpected)
Failed validating u'additionalProperties' in markdown_cell:
On instance[u'cells'][0]:
{u'cell_type': u'markdown',
u'metadata': {},
u'outputExpanded': False,
u'source': [u'**VISUALIZATION OF NYC TREES**']}