class_docstr: A mechanism for cancelling blocking computation.
docstr: Returns `True` if `CancellationManager.start_cancel` has been called.
code: def is_cancelled(self):
      """Returns `True` if `CancellationManager.start_cancel` has been called."""
      return pywrap_tfe.TFE_CancellationManagerIsCancelled(self._impl)
  
file_path: tensorflow/tensorflow/python/eager/cancellation.py
imports: from tensorflow.python import pywrap_tfe
label_desc: Use image node_id 2 for calling the CancellationManager obj's underlying member method code with example usage: obj.is_cancelled() and returns: pywrap_tfe