when I Run XCP=0.22.22, test_master.py, it is ModuleNotFoundError: No module named 'pyxcp.cpp_ext.cpp_ext',how to Solve this problem?

[XuHaobang]

Traceback (most recent call last):
File "D:\Users\f88209c\Desktop\New folder (2)\最新XCP\pyxcp-master (9)\pyxcp-master\pyxcp\tests\test_master.py", line 7, in
from pyxcp import types
File "D:\Users\f88209c\PycharmProjects\pythonProject2\venv\lib\site-packages\pyxcp_init_.py", line 11, in
from .master import Master # noqa: F401, E402
File "D:\Users\f88209c\PycharmProjects\pythonProject2\venv\lib\site-packages\pyxcp\master_init_.py", line 9, in
from .master import Master # noqa: F401
File "D:\Users\f88209c\PycharmProjects\pythonProject2\venv\lib\site-packages\pyxcp\master\master.py", line 27, in
from pyxcp.daq_stim.stim import DaqEventInfo, Stim
File "D:\Users\f88209c\PycharmProjects\pythonProject2\venv\lib\site-packages\pyxcp\daq_stim_init_.py", line 9, in
from pyxcp.cpp_ext.cpp_ext import DaqList
ModuleNotFoundError: No module named 'pyxcp.cpp_ext.cpp_ext'

[christoph2]

The required build step is missing, refer to this answer.