add todo

Author: zrr1999

tester/paddle_to_torch/rules.py

@@ -4567,6 +4567,7 @@ def _get_same_padding_3d(input_size, kernel_size, stride):
         pad_d, pad_h, pad_w = _get_same_padding_3d(input_size, kernel_size, stride)
         padding = (pad_d[0], pad_h[0], pad_w[0]) # 对称填充
         if pad_d[0] != pad_d[1] or pad_h[0] != pad_h[1] or pad_w[0] != pad_w[1]: # 非对称填充
+            # TODO(zrr1999) maybe mode="replicate"
             x = torch.nn.functional.pad(x, (pad_w[0], pad_w[1], pad_h[0], pad_h[1], pad_d[0], pad_d[1]))
             padding = 0
 elif isinstance(padding, (list, tuple)):