fix return dtype of line_locate_point expression

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "spatial-polars"
-version = "0.2.2" # dont forget __init__.py and uv lock
+version = "0.2.3" # dont forget __init__.py and uv lock
 description = "A package that extends polars for working with geospatial data."
 readme = "README.md"
 authors = [

src/spatial_polars/__init__.py

@@ -14,4 +14,4 @@
     "spatial_series_dtype",
 ]
 
-__version__ = "0.2.1"  # dont forget pyproject.toml and uv lock
+__version__ = "0.2.3"  # dont forget pyproject.toml and uv lock

src/spatial_polars/spatialexpr.py

@@ -2163,7 +2163,7 @@ def line_locate_point(
         if other is not None:
             return self._expr.map_batches(
                 lambda s: s.spatial.line_locate_point(other, normalized=normalized),
-                return_dtype=spatial_series_dtype,
+                return_dtype=pl.Float64,
                 is_elementwise=True,
             )
         # expect struct with two geometries.
@@ -2172,7 +2172,7 @@ def line_locate_point(
                 combined.struct[1].spatial.to_shapely_array(),
                 normalized=normalized,
             ),
-            return_dtype=spatial_series_dtype,
+            return_dtype=pl.Float64,
             is_elementwise=True,
         )