[GitHub] [airflow] iameugenejo edited a comment on issue #13086: max_retry_delay should be a timedelta for type hinting

[GitBox <gi...@apache.org>]

iameugenejo edited a comment on issue #13086:
URL: https://github.com/apache/airflow/issues/13086#issuecomment-763033524


   I'm experiencing the same issue.
   
   scheduler is failing to start up because of this.
   
   ```bash
   {scheduler_job.py:1293} ERROR - Exception when executing SchedulerJob._run_scheduler_loop
   Traceback (most recent call last):
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/jobs/scheduler_job.py", line 1275, in _execute
       self._run_scheduler_loop()
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/jobs/scheduler_job.py", line 1377, in _run_scheduler_loop
       num_queued_tis = self._do_scheduling(session)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/jobs/scheduler_job.py", line 1515, in _do_scheduling
       self._schedule_dag_run(dag_run, active_runs_by_dag_id.get(dag_run.dag_id, set()), session)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/jobs/scheduler_job.py", line 1677, in _schedule_dag_run
       schedulable_tis, callback_to_run = dag_run.update_state(session=session, execute_callbacks=False)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/utils/session.py", line 62, in wrapper
       return func(*args, **kwargs)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/models/dagrun.py", line 405, in update_state
       info = self.task_instance_scheduling_decisions(session)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/utils/session.py", line 62, in wrapper
       return func(*args, **kwargs)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/models/dagrun.py", line 499, in task_instance_scheduling_decisions
       schedulable_tis, changed_tis = self._get_ready_tis(scheduleable_tasks, finished_tasks, session)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/models/dagrun.py", line 525, in _get_ready_tis
       if st.are_dependencies_met(
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/utils/session.py", line 62, in wrapper
       return func(*args, **kwargs)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/models/taskinstance.py", line 813, in are_dependencies_met
       for dep_status in self.get_failed_dep_statuses(dep_context=dep_context, session=session):
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/models/taskinstance.py", line 834, in get_failed_dep_statuses
       for dep_status in dep.get_dep_statuses(self, session, dep_context):
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/ti_deps/deps/base_ti_dep.py", line 101, in get_dep_statuses
       yield from self._get_dep_statuses(ti, session, dep_context)
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/ti_deps/deps/not_in_retry_period_dep.py", line 47, in _get_dep_statuses
       next_task_retry_date = ti.next_retry_datetime()
     File "/root/airflow/2.0.0/venv/lib/python3.8/site-packages/airflow/models/taskinstance.py", line 881, in next_retry_datetime
       delay = min(self.task.max_retry_delay, delay)
   TypeError: '<' not supported between instances of 'datetime.timedelta' and 'float'
   ```


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