Remove unused Self type hint from split method in RegressorPrediction class

ellipse_rcnn/core/ellipse_roi_head.py

@@ -1,4 +1,4 @@
-from typing import Dict, List, Tuple, Optional, TypedDict, NamedTuple, Self
+from typing import Dict, List, Tuple, Optional, TypedDict, NamedTuple
 
 import torch
 from torch import nn
@@ -69,7 +69,7 @@ class RegressorPrediction(NamedTuple):
     def dtype(self) -> torch.dtype:
         return self.d_a.dtype
 
-    def split(self, split_size: list[int] | int, dim: int = 0) -> list[Self]:
+    def split(self, split_size: list[int] | int, dim: int = 0):
         return [
             RegressorPrediction(*tensors)
             for tensors in zip(