fixed category name bug with xenium

Author: LucaMarconato

src/spatialdata_io/readers/xenium.py

@@ -168,7 +168,7 @@ def _poly(arr: ArrayLike) -> Polygon:
 
 def _get_points(path: Path, specs: dict[str, Any]) -> Table:
     table = read_parquet(path / XeniumKeys.TRANSCRIPTS_FILE)
-    table['feature_name'] = table['feature_name'].apply(lambda x: x.decode('utf-8'), meta=('feature_name', 'object'))
+    table["feature_name"] = table["feature_name"].apply(lambda x: x.decode("utf-8"), meta=("feature_name", "object"))
 
     transform = Scale([1.0 / specs["pixel_size"], 1.0 / specs["pixel_size"]], axes=("x", "y"))
     points = PointsModel.parse(