khyurri opened a new pull request #8274: WIP: Fix issue #8237
URL: https://github.com/apache/airflow/pull/8274
 
 
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   ---
   
   For fixing issue #8237 this PR
   1. Removes code:
   
   ```python 
   period_end = dag.following_schedule(next_run_date)
   ```
   
   I can't find any reason for variable `period_end`. As I said in comment: 
   this variable always has value `next_run_date + interval` and sometimes it's 
greater than `timezone.utcnow()`.
   
   2. Removes code:
   
   ```
   if dag.schedule_interval == '@once':
        period_end = next_run_date
   ...
   if next_run_date and period_end and period_end <= timezone.utcnow():
   ```
   
   Because it may be modified to:
   
   ```python
   if dag.schedule_interval == '@once' and next_run_date \
      and next_run_date >= timezone.utcnow():
       return
   ```
   
   But this lines will not execute, because previous statement:
   
   ```python
   if not next_run_date or next_run_date > timezone.utcnow():
                   return
   ```
   
   So if I remove this lines never changes.
   
   Please, review this PR. May be you can find a reason for existence 
`period_end`
   

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