ManojKumarMaurya opened a new issue #4685: superset dashboard is blank URL: https://github.com/apache/incubator-superset/issues/4685 Make sure these boxes are checked before submitting your issue - thank you! /home/ubuntu/code/superset/local/lib/python2.7/site-packages/flask_appbuilder/fields.py:152: UserWarning: allow_blank=True does not do anything for QuerySelectMultipleField. warnings.warn('allow_blank=True does not do anything for QuerySelectMultipleField.') - [x] I have checked the superset logs for python stack traces and included it here as text if 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 ### Superset version 0.23.3 ### Expected results superset should work ### Actual results dashboard blank /home/ubuntu/code/superset/local/lib/python2.7/site-packages/flask_appbuilder/fields.py:152: UserWarning: allow_blank=True does not do anything for QuerySelectMultipleField. warnings.warn('allow_blank=True does not do anything for QuerySelectMultipleField.') ### Steps to reproduce /home/ubuntu/code/superset/local/lib/python2.7/site-packages/flask_appbuilder/fields.py:152: UserWarning: allow_blank=True does not do anything for QuerySelectMultipleField. warnings.warn('allow_blank=True does not do anything for QuerySelectMultipleField.') <img width="1268" alt="screen shot 2018-03-23 at 6 22 10 pm" src="https://user-images.githubusercontent.com/5546605/37859853-7f10e3f6-2f40-11e8-8443-5d047e774d43.png"> <img width="1240" alt="screen shot 2018-03-23 at 6 16 04 pm" src="https://user-images.githubusercontent.com/5546605/37859854-7f4abf5e-2f40-11e8-960c-8d1473fd4198.png">
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