add output type to _align_points_to_target_plane

nerfstudio/data/dataparsers/nerfstudio_dataparser.py

@@ -494,8 +494,12 @@ def _load_3D_points(self, ply_file_path: Path, transform_matrix: torch.Tensor, s
 
     @staticmethod
     def _align_points_to_target_plane(
-        points: torch.Tensor, target_normal: torch.Tensor, threshold: float = 1.0, max_iterations: int = 5
-    ):
+        points: torch.Tensor,
+        target_normal: Tuple[float, float, float],
+        target_point: Tuple[float, float, float],
+        threshold: float = 1.0,
+        max_iterations: int = 5,
+    ) -> Tuple[torch.Tensor, torch.Tensor]:
         """Aligns a set of 3D points (in homogeneous coordinates) to a target plane defined by its normal vector.
 
         Args: