Traceback (most recent call last):


 "/<...>/lib/python3.6/site-packages/django/utils/datastructures.py", line 77, in __getitem__

list_ = super().__getitem__(key)
KeyError: 'body-0-value-content-count'

Traceback (most recent call last):


 "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\traitlets.py", line 528, in get

value = obj._trait_values[self.name]
KeyError: 'context'
