3 ˆdã@sddlZGdd„dejƒZdS)éNc@seZdZdZdd„ZdS)Ú IObservablezT Interface for objects that can emit notifications for the observer system. cCs tdƒ‚dS)a[ Return a list of callables where each callable is a notifier. The list is expected to be mutated for contributing or removing notifiers from the object. Parameters ---------- force_create: boolean It is added for compatibility with CTrait. It should not be used otherwise. z+Observable object must implement _notifiersN)ÚNotImplementedError)ÚselfZ force_create©rúA/tmp/pip-build-7vycvbft/traits/traits/observation/i_observable.pyÚ _notifierss zIObservable._notifiersN)Ú__name__Ú __module__Ú __qualname__Ú__doc__rrrrrrsr)ÚabcÚABCrrrrrÚ s