Make region_key a categorical when exporting to SpatialData (#3588) (#…

…3589) Co-authored-by: Julia Dark <[email protected]>
single-cell-data · Jan 21, 2025 · 570d761 · 570d761
1 parent 98fd4fd
commit 570d761
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/apis/python/src/tiledbsoma/_query.py b/apis/python/src/tiledbsoma/_query.py
@@ -752,6 +752,7 @@ def to_spatialdata(  # type: ignore[no-untyped-def]
                         "Unable to export to SpatialData; exported assets have "
                         "overlapping observations."
                     ) from err
+                ad.obs["region_key"] = pd.Categorical(ad.obs["region_key"])
                 regions = list(region_joinids.keys())
                 region_key = "region_key"
                 instance_key = "instance_key"