kgabryje opened a new issue #11889:
URL: https://github.com/apache/incubator-superset/issues/11889


   When I enter "Multi Line" chart from test data, the chart is flickering and 
redrawing. On the gif you can see that on each redraw, an http request to 
`/superset/explore_json/?form_data=...` is sent.
   
   ### Expected results
   
   The chart should render only once and not send API requests after that.
   
   ### Actual results
   
   Chart is flickering and rerendering, multiple calls to 
`/superset/explore_json/?form_data=...` are sent.
   
   #### Screenshots
   
   ![ezgif 
com-gif-maker](https://user-images.githubusercontent.com/15073128/100867866-13b2eb00-349b-11eb-8aac-672e2eb2d69d.gif)
   
   #### How to reproduce the bug
   
   1. `docker-compose up`
   2. Go to Charts -> Multi Line
   3. Observe chart's behaviour
   4. Open browser console, go to Networking and see that API calls are being 
sent
   
   ### Environment
   
   (please complete the following information):
   
   - superset version: Current master (commit 44e80e)
   
   ### Checklist
   
   Make sure to follow these steps before submitting your issue - thank you!
   
   - [x] 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.
   - [x] I have checked the issue tracker for the same issue and I haven't 
found one similar.
   


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