A clear and concise description of what the bug is.

Expected results

what you expected to happen.

Actual results

what actually happens.

Screenshots

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How to reproduce the bug

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Environment

(please complete the following information):

• superset version: superset version
• python version: python --version
• node.js version: node -v
• npm version: npm -v

Checklist

Make sure these boxes are checked 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.