Error undefined symbol when import build_octree, is there a python implementation for build_octree?

[cx-tian]

Hi, I build the fairnr extension but got error when import build_octree.

OS:22.04.1-Ubuntu
Python:3.7.16
cuda:11.5
gcc: 11.3.0

Error:
Traceback (most recent call last):
File "/home/xx/project/NSVF/mypy.py", line 29, in
from fairnr.clib._ext import build_octree
ImportError: /home/xx/project/NSVF/fairnr/clib/_ext.cpython-37m-x86_64-linux-gnu.so: undefined symbol: _ZN2at4_ops5zeros4callEN3c108ArrayRefINS2_6SymIntEEENS2_8optionalINS2_10ScalarTypeEEENS6_INS2_6LayoutEEENS6_INS2_6DeviceEEENS6_IbEE