[airflow] 41/45: Add imports to deferring code samples (#24544)

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ephraimanierobi pushed a commit to branch v2-3-test
in repository https://gitbox.apache.org/repos/asf/airflow.git

commit 2320145803b82a42039f90d8761b22a137ee64f3
Author: Bas Harenslak <Ba...@users.noreply.github.com>
AuthorDate: Sun Jun 19 10:53:15 2022 +0200

    Add imports to deferring code samples (#24544)
    
    (cherry picked from commit cabbf616bbc3139b1ce793c9daa20f13c82eb287)
---
 docs/apache-airflow/concepts/deferring.rst | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/docs/apache-airflow/concepts/deferring.rst b/docs/apache-airflow/concepts/deferring.rst
index ca810d7972..3b5bf1b72d 100644
--- a/docs/apache-airflow/concepts/deferring.rst
+++ b/docs/apache-airflow/concepts/deferring.rst
@@ -82,6 +82,12 @@ You are free to set ``method_name`` to ``execute`` if you want your Operator to
 
 Here's a basic example of how a sensor might trigger deferral::
 
+    from datetime import timedelta
+
+    from airflow.sensors.base import BaseSensorOperator
+    from airflow.triggers.temporal import TimeDeltaTrigger
+
+
     class WaitOneHourSensor(BaseSensorOperator):
         def execute(self, context):
             self.defer(trigger=TimeDeltaTrigger(timedelta(hours=1)), method_name="execute_complete")
@@ -122,6 +128,12 @@ There's also some design constraints to be aware of:
 Here's the structure of a basic Trigger::
 
 
+    import asyncio
+
+    from airflow.triggers.base import BaseTrigger, TriggerEvent
+    from airflow.utils import timezone
+
+
     class DateTimeTrigger(BaseTrigger):
 
         def __init__(self, moment):