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def clear_session():
  """Resets all state generated by Keras.

  Keras manages a global state, which it uses to implement the Functional
  model-building API and to uniquify autogenerated layer names.

  If you are creating many models in a loop, th  

def async_clear_error():
  """Clear pending operations and error statuses in async execution.

  In async execution mode, an error in op/function execution can lead to errors
  in subsequent ops/functions that are scheduled but not yet executed. Call  

def clear_executor_errors(self):
    """Clear errors in both local executors and remote workers.

    After receiving errors from remote workers, additional requests on the fly
    could further taint the status on the remote workers due to the async