# ``twisted`.`internet`.`defer`.`_CancellationStatus``

class documentation

`class _CancellationStatus: (source)`

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Cancellation status of an `inlineCallbacks` invocation.

Instance Variable | `deferred` | the `Deferred` to callback or errback when the generator invocation has finished.
Instance Variable | `waitingOn` | the `Deferred` being waited upon (which `_inlineCallbacks` must fill out before returning)

deferred: `Deferred[object]` = (source)
the `Deferred` to callback or errback when the generator invocation has finished.
waitingOn: `Optional[Deferred[object]]` = (source)
the `Deferred` being waited upon (which `_inlineCallbacks` must fill out before returning)