[BUG] Error when using dp train for training

[LLfbforever]

Bug summary

1. When training with dp train, there is no problem with multi-card training
2. Error message when training single card （mpirun -np 1 dp train input.json）
   
3. Replace the deepmd-kit/deepmd/utils/neighbor_stat.py file in v2.2.9 with v2.2.10, and the single card can calculate normally.
   For examples, please refer to: deepmd_source_dir/examples/water/se_e2_a/

DeePMD-kit Version

v2.2.10

Backend and its version

Tensorflow v2.11.0

How did you download the software?

Offline packages

Input Files, Running Commands, Error Log, etc.

input file: deepmd_source_dir/examples/water/se_e2_a/input.json
Run the script ： mpirun -np 1 dp train input.json

Steps to Reproduce

deepmd_source_dir/examples/water/se_e2_a/input.json

Further Information, Files, and Links

No response