conatus.expert.UndeclaredVariableError

exception conatus.expert.UndeclaredVariableError(message='', *, where=None, why=None, fix=None, doc=None)[source]

Bases: EquationError, KeyError

A field is used as an unknown (or needs data) but is neither a variable nor given data.

Parameters:

  • message (str)

  • where (str | None)

  • why (str | None)

  • fix (str | None)

  • doc (str | None)

Return type:

None

doc = 'docs/site/guide/errors.md#undeclaredvariableerror'