Traceback (most recent call last):


 "/home/cpu11453/miniconda3/envs/vaex/lib/python3.8/site-packages/vaex/scopes.py", line 97, in evaluate

result = self[expression]


 "/home/cpu11453/miniconda3/envs/vaex/lib/python3.8/site-packages/vaex/scopes.py", line 144, in __getitem__

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

Traceback (most recent call last):


 "/home/classic/dev/sqlalchemy/lib/sqlalchemy/ext/associationproxy.py", line 217, in _as_instance

return class_.__dict__[self.key + "_inst"]
KeyError: '_AssociationProxy_association_140197095777336_inst'
