exception documentation
class StateMachineError(Exception): (source)
Known subclasses: docutils.statemachine.DuplicateStateError, docutils.statemachine.DuplicateTransitionError, docutils.statemachine.TransitionMethodNotFound, docutils.statemachine.TransitionPatternNotFound, docutils.statemachine.UnexpectedIndentationError, docutils.statemachine.UnknownStateError, docutils.statemachine.UnknownTransitionError
Undocumented