denys1204 opened a new pull request, #42842:
URL: https://github.com/apache/superset/pull/42842
### SUMMARY
The bundled Malawi map in `legacy-plugin-chart-country-map` is missing the
Karonga district (`MW-KR`) and has Chitipa (`MW-CT`) duplicated, so Karonga
always renders blank on the Malawi Country Map regardless of the data.
`malawi.geojson` has 28 features but only 27 unique ISO codes: `MW-CT`
appears twice and `MW-KR` is absent. Malawi has 28 districts and ISO 3166-2:MW
includes `MW-KR` (Karonga), so one of the two `MW-CT` features is mislabeled.
Of the two `{ "ISO": "MW-CT", "NAME_1": "Chitipa" }` features, the eastern
polygon is geographically Karonga, not Chitipa:
- Eastern polygon: centroid ≈ 33.98°E, −9.95°S (reaches the Lake Malawi
shore ~34.6°E), which matches Karonga town (33.93°E, −9.93°S).
- Western polygon: centroid ≈ 33.39°E, −9.82°S (NW, inland), which matches
Chitipa town (33.27°E, −9.70°S).
The fix relabels that one polygon's properties and leaves the geometry
untouched: `{ "ISO": "MW-CT", "NAME_1": "Chitipa" }` becomes `{ "ISO": "MW-KR",
"NAME_1": "Karonga" }`.
It's a one-line label correction on existing data, with no new geometry and
no licensing change. All 28 districts now have unique ISO codes, and Karonga
renders.
### BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF
_Malawi Country Map: Karonga is blank before the fix, shaded after._
### TESTING INSTRUCTIONS
Render any chart with `viz_type: country_map` and `select_country: malawi`.
Karonga (far north, on the lakeshore) is now shaded instead of blank, and no
district is duplicated.
### ADDITIONAL INFORMATION
- [ ] Has associated issue:
- [ ] Required feature flags:
- [x] Changes UI
- [ ] Includes DB Migration
- [ ] Introduces new feature or API
- [ ] Removes existing feature or API
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