properly infer size for fixed size list arrays

Author: oxkitsune

crates/build/re_types_builder/src/codegen/python/mod.rs

@@ -2646,8 +2646,8 @@ fn quote_columnar_methods(reporter: &Reporter, obj: &Object, objects: &Objects)
             for batch in batches:
                 arrow_array = batch.as_arrow_array()
 
-                # For primitive arrays, we infer partition size from the input shape.
-                if pa.types.is_primitive(arrow_array.type):
+                # For primitive arrays and fixed size list arrays, we infer partition size from the input shape.
+                if pa.types.is_primitive(arrow_array.type) or pa.types.is_fixed_size_list(arrow_array.type):
                     param = kwargs[batch.component_descriptor().archetype_field_name] # type: ignore[index]
                     shape = np.shape(param)  # type: ignore[arg-type]