swecooo opened a new issue #11929:
URL: https://github.com/apache/incubator-superset/issues/11929
I'm unable to download a screenshot using the Chart REST API screenshot
endpoint. When I call the `/charts/<pk>/screenshot/<digest>` endpoint, I get
`{"message": "Fatal error"}` response. In the logs, I can see the following
error:
```
ERROR:root:screenshot() got an unexpected keyword argument 'rison'
--
Traceback (most recent call last):
File
"/usr/local/lib/python3.7/site-packages/flask_appbuilder/api/__init__.py", line
84, in wraps
return f(self, *args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/superset/views/base_api.py",
line 50, in wraps
duration, response = time_function(f, self, *args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/superset/utils/core.py", line
1282, in time_function
response = func(*args, **kwargs)
TypeError: screenshot() got an unexpected keyword argument 'rison'
```
I've never worked with `rison` but from the
[documentation](https://flask-appbuilder.readthedocs.io/en/latest/api.html?highlight=%40rison#flask_appbuilder.api.rison),
it seems that it adds a keyword argument `rison` with the parameters.
The traceback along with the documentation suggest that `screenshot` method
might be missing `**kwargs` in [its
signature](https://github.com/apache/incubator-superset/blob/master/superset/charts/api.py#L614).
### Expected results
The screenshot being returned.
### Actual results
The REST API returns `{"message": "Fatal error"}`
#### How to reproduce the bug
1. Call `cache_screenshot` on one of your charts:
`https://my-superset.com/api/v1/charts/1/cache_screenshot`
2. Open the `image_url` link from the response of the previous request:
`https://my-superset.com/api/v1/charts/1/screenshot/<digest>`
3. Observe response `{"message": "Fatal error"}`
### Environment
- superset version: `0.37.2`
- python version: `3.7.9`
- node.js version: `v12.20.0`
### Checklist
- [x] I have checked the superset logs for python stacktraces and included
it here as text if there are any.
- [x] I have reproduced the issue with at least the latest released version
of superset.
- [x] I have checked the issue tracker for the same issue and I haven't
found one similar.
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