Error for mpm_element_xxx

[Jingzheng-Li]

Dear Taichi staff, I recently run taichi_houdini and found that all the "mpm_element_xxx.hipnc" Houdini file will get the error "AttributeError: module 'taichi' has no attribute 'require_version", such that

Python error: Traceback (most recent call last):
File "<stdin>", line 4, in <module>
File "C:\Program Files\Side Effects Software\Houdini 19.5.303\python39\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
return original_import(name, *args, **kwargs)
File "F:\jingzheng\taichi\TAICHI_HOUDINI\taichi_houdini\Libs\python\mpm_solver_shell.py", line 3, in <module>
from taichi_elements.engine.mpm_solver import MPMSolver
File "C:\Program Files\Side Effects Software\Houdini 19.5.303\python39\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
return original_import(name, *args, **kwargs)
File "F:\jingzheng\taichi\TAICHI_HOUDINI\taichi_houdini\Libs\python\taichi_elements\engine\__init__.py", line 1, in <module>
from . import mpm_solver
File "C:\Program Files\Side Effects Software\Houdini 19.5.303\python39\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
return original_import(name, *args, **kwargs)
File "F:\jingzheng\taichi\TAICHI_HOUDINI\taichi_houdini\Libs\python\taichi_elements\engine\mpm_solver.py", line 10, in <module>
ti.require_version(0, 7, 10)
File "C:\Users/jinzheng/AppData/Local/Programs/Python/Python39/Lib/site-packages\taichi\__init__.py", line 82, in __getattr__
raise AttributeError(f"module '{__name__}' has no attribute '{attr}'")
AttributeError: module 'taichi' has no attribute 'require_version'

My Houdini version is 19.5.303, taichi version 1.1.0, python 3.9.13. Could you please teach me how to fix the error? Many thanks in advance