rijojoseph07 opened a new issue #11992:
URL: https://github.com/apache/incubator-superset/issues/11992
I am able to create charts and dashboards from the Explore option in SQLLab,
but getting the following error when I try to create a chart from New + button
on the home page
Broken URL : /chart/add
```
File "/usr/local/lib64/python3.6/site-packages/flask/app.py", line 2447, in
wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib64/python3.6/site-packages/flask/app.py", line 1952,
in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib64/python3.6/site-packages/flask/app.py", line 1821,
in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib64/python3.6/site-packages/flask/_compat.py", line 39,
in reraise
raise value
File "/usr/local/lib64/python3.6/site-packages/flask/app.py", line 1950,
in full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib64/python3.6/site-packages/flask/app.py", line 1936,
in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File
"/usr/local/lib64/python3.6/site-packages/flask_appbuilder/security/decorators.py",
line 109, in wraps
return f(self, *args, **kwargs)
File
"/usr/local/lib/python3.6/site-packages/superset/views/chart/views.py", line
71, in add
"superset/add_slice.html", bootstrap_data=json.dumps(payload)
File "/usr/lib64/python3.6/json/__init__.py", line 231, in dumps
return _default_encoder.encode(obj)
File "/usr/lib64/python3.6/json/encoder.py", line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/lib64/python3.6/json/encoder.py", line 257, in iterencode
return _iterencode(o, 0)
File "/usr/lib64/python3.6/json/encoder.py", line 180, in default
o.__class__.__name__)
TypeError: Object of type 'function' is not JSON serializable
<img width="1435" alt="Screen Shot 2020-12-10 at 10 31 08 AM"
src="https://user-images.githubusercontent.com/22840697/101723849-2c428700-3ad3-11eb-80fa-3737a2ffc520.png";>
```
### Expected results
New chart view should open.
### Actual results
Getting 5XX error
#### Screenshots
<img width="1435" alt="Screen Shot 2020-12-10 at 10 31 08 AM"
src="https://user-images.githubusercontent.com/22840697/101723881-40868400-3ad3-11eb-8fbe-07903c7d9956.png";>
#### How to reproduce the bug
1. Go to 'Welcome page'
2. Click on '+ New'
3. Click on 'Charts'
4. See error
### Environment
(please complete the following information):
- superset version: `0.38.0`
- python version: 3.6.3 & 3.7.3
### Checklist
Make sure to follow these steps before submitting your issue - thank you!
- [ ] I have checked the superset logs for python stacktraces and included
it here as text if there are any.
- [ ] I have reproduced the issue with at least the latest released version
of superset.
- [ ] I have checked the issue tracker for the same issue and I haven't
found one similar.
### Additional context
Add any other context about the problem here.
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