MatrixManAtYrService edited a comment on issue #19096:
URL: https://github.com/apache/airflow/issues/19096#issuecomment-952400360
If my database contains dagruns from when this used to work (1.10.15 for
instance) then I can still run the dag despite the error above. When I do, I
get this error:
```
Python version: 3.9.7
Airflow version: 2.2.1.dev814+astro.1
Node: cfe83c6f54fc
-------------------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 2447, in
wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 1952, in
full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 1821, in
handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.9/site-packages/flask/_compat.py", line 39,
in reraise
raise value
File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 1950, in
full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 1936, in
dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/usr/local/lib/python3.9/site-packages/airflow/www/auth.py", line
51, in decorated
return func(*args, **kwargs)
File "/usr/local/lib/python3.9/site-packages/airflow/www/decorators.py",
line 72, in wrapper
return f(*args, **kwargs)
File "/usr/local/lib/python3.9/site-packages/airflow/utils/session.py",
line 70, in wrapper
return func(*args, session=session, **kwargs)
File "/usr/local/lib/python3.9/site-packages/airflow/www/views.py", line
1721, in trigger
if unpause and dag.is_paused:
AttributeError: 'NoneType' object has no attribute 'is_paused'
```
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