Traceback (most recent call last):


 "core.pyc", line 475, in run


 "braille.pyc", line 2131, in pumpAll


 "braille.pyc", line 1873, in handlePendingCaretUpdate


 "braille.pyc", line 1879, in _doCursorMove


 "braille.pyc", line 975, in update


 "braille.pyc", line 873, in _addTextWithFields


 "browseMode.pyc", line 1074, in getControlFieldBraille
KeyError: u'article'

Traceback (most recent call last):


 "/home/someuser/anaconda3/lib/python3.8/site-packages/vaex/scopes.py", line 101, in evaluate

result = self[expression]


 "/home/someuser/anaconda3/lib/python3.8/site-packages/vaex/scopes.py", line 163, in __getitem__

raise KeyError("Unknown variables or column: %r" % (variable,))
KeyError: "Unknown variables or column: 'lambda_function(original_description)'"
