airflow/executors/base_executor.py
def has_task(self, task_instance):
        """
        Checks if a task is either queued or running in this executor

        :param task_instance: TaskInstance
        :return: True if the task is known to this executor
        """
        if task_instance.key in self.queued_tasks or task_instance.key in self.running:
            return True
def has_task(self, task_instance):
        if task_instance.key in self.queued_tasks or task_instance.key in self.running:
            return True
def has_task ( self , task_instance ) : if task_instance . key in self . queued_tasks or task_instance . key in self . running : return True
Checks if a task is either queued or running in this executor

        :param task_instance: TaskInstance
        :return: True if the task is known to this executor
Checks if a task is either queued or running in this executor