Fixed Histogram visualization bug.

[kuckjwi0928]

CATEGORY

• Bug Fix
• Enhancement (new features, refinement)
• Refactor
• Add tests
• Build / Development Environment
• Documentation

SUMMARY

Modified type mismatch bug in histogram visualization.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TEST PLAN

• Go to histogram chart.
• Check if the histogram chart is functioning normally.

ADDITIONAL INFORMATION

• Has associated issue: Fixes histogram must be str not list #8028
• Changes UI
• Requires DB Migration.
• Confirm DB Migration upgrade and downgrade tested.
• Introduces new feature or API
• Removes existing feature or API

REVIEWERS

@mistercrunch

[villebro]

@kuckjwi0928 LGTM, but please run black on the PR to fix the CI error.

[kuckjwi0928]

@kuckjwi0928 LGTM, but please run black on the PR to fix the CI error.

Fixed it!

[ali-bahjati]

It seems that it failed because of execution time limit. I guess it's ok to merge this PR.

[villebro]

I restarted CI, let's merge once it completes if all is ok.

[codecov-io]

Codecov Report

Merging #8077 into master will increase coverage by 0.31%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #8077      +/-   ##
==========================================
+ Coverage   65.57%   65.89%   +0.31%     
==========================================
  Files         469      485      +16     
  Lines       22495    22917     +422     
  Branches     2448     2537      +89     
==========================================
+ Hits        14752    15102     +350     
- Misses       7620     7683      +63     
- Partials      123      132       +9

Impacted Files	Coverage Δ
superset/viz.py	71.27% <0%> (ø)	⬆️
superset/assets/src/components/AnchorLink.jsx	83.33% <0%> (-16.67%)	⬇️
.../src/explore/components/ControlPanelsContainer.jsx	68.35% <0%> (-11.65%)	⬇️
...ashboard/components/gridComponents/ChartHolder.jsx	74.07% <0%> (-10.78%)	⬇️
...et/assets/src/dashboard/reducers/dashboardState.js	73.46% <0%> (-9.87%)	⬇️
...s/src/dashboard/components/gridComponents/Tabs.jsx	61.11% <0%> (-5.05%)	⬇️
superset/assets/src/explore/controlUtils.js	94.8% <0%> (-2.21%)	⬇️
...sets/src/dashboard/components/DashboardBuilder.jsx	79.68% <0%> (-2.14%)	⬇️
...ts/src/dashboard/components/gridComponents/Tab.jsx	66.66% <0%> (-1.52%)	⬇️
.../assets/src/dashboard/components/DashboardGrid.jsx	59.64% <0%> (-1.47%)	⬇️
... and 63 more

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[villebro]

Note: while this was later reverted in master after superset-ui* was bumped to 0.12, this fix is needed in 0.34 which is still on 0.11.

[kuckjwi0928]

@villebro
I will soon open a PR that has solved this problem properly.

related issue : #8266