kaxil opened a new pull request #13900:
URL: https://github.com/apache/airflow/pull/13900
When running `airflow dags unpause` with a DAG that does not exist, it
currently shows this error
```
root@6f086ba87198:/opt/airflow# airflow dags unpause example_bash_operatoredd
Traceback (most recent call last):
File "/usr/local/bin/airflow", line 33, in <module>
sys.exit(load_entry_point('apache-airflow', 'console_scripts',
'airflow')())
File "/opt/airflow/airflow/__main__.py", line 40, in main
args.func(args)
File "/opt/airflow/airflow/cli/cli_parser.py", line 48, in command
return func(*args, **kwargs)
File "/opt/airflow/airflow/utils/cli.py", line 92, in wrapper
return f(*args, **kwargs)
File "/opt/airflow/airflow/cli/commands/dag_command.py", line 160, in
dag_unpause
set_is_paused(False, args)
File "/opt/airflow/airflow/cli/commands/dag_command.py", line 170, in
set_is_paused
dag.set_is_paused(is_paused=is_paused)
AttributeError: 'NoneType' object has no attribute 'set_is_paused'
```
This commit changes the error to show a helpful error:
```
root@6f086ba87198:/opt/airflow# airflow dags unpause example_bash_operatoredd
DAG: example_bash_operatoredd does not exit in 'dag' table
```
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