Some Problems

[Stephon-cmd]

I have a problem which needs your help:
In nncase verson=2.10.0,I can't run the file "init.py" and the error is in line 34,import _nncase. The vscode told me "No module named '_nncase' ".
So,what should I do to solve it and what's the problem with it?

Python version:3.9.13
Operating System: Version Windows 10 home Chinese version,Version number :22H2
Cmake version:4.2.0

I really appreciate it if someone can help me to solve this problem.

I'm not good at English.So,if there's some errors ,please forgive me.

[xhuohai]

Please confirm whether the nncase library is available in your Python environment, for example by running the command pip list.

[Stephon-cmd]

I know about that and will try it later.Thank you for help!

[xhuohai]

You are welcome. If you have any questions in the future, please do not hesitate to raise them and we can discuss them together.

[Stephon-cmd]

Hello! I'm tried the command you gave me and I'm sure the nncase library is available(verson = 2.10.0).Therefore,what should I do to solve the problem?

[Stephon-cmd]

The problem changes with error in init.py line 83:from onnx.onnx_cpp2py_export import ONNX_ML. It told me "ImportError: DLL load failed while importing onnx_cpp2py_export"and what should I do ?

[xhuohai]

Nncase depends on onnx and many other python packages, please paste the full result of pip list, also the full error log when you compile a model.

[Stephon-cmd]

Result of pip list

Package Version

---

annotated-doc 0.0.4
annotated-types 0.7.0
anyio 4.11.0
asttokens 3.0.0
click 8.3.0
colorama 0.4.6
contourpy 1.3.0
cycler 0.12.1
decorator 5.2.1
exceptiongroup 1.3.1
executing 2.2.1
fastapi 0.121.2
filelock 3.20.0
fonttools 4.60.1
fsspec 2025.10.0
greenlet 3.2.4
h11 0.16.0
idna 3.11
importlib_resources 6.5.2
ipython 9.7.0
ipython_pygments_lexers 1.1.1
jedi 0.19.2
Jinja2 3.1.6
joblib 1.5.3
kiwisolver 1.4.7
markdown-it-py 3.0.0
MarkupSafe 3.0.3
matplotlib 3.10.7
matplotlib-inline 0.2.1
mdurl 0.1.2
ml_dtypes 0.5.4
mpmath 1.3.0
networkx 3.5
nncase 2.10.0
numpy 2.0.2
onnx 1.19.1
onnx-weekly 1.19.0.dev20250726
onnxsim 0.4.36
opencv-python 4.12.0.88
packaging 25.0
parso 0.8.5
passlib 1.7.4
pillow 11.3.0
pip 25.3
prompt_toolkit 3.0.52
protobuf 6.33.2
psycopg2 2.9.11
pure_eval 0.2.3
pydantic 2.12.4
pydantic_core 2.41.5
pydantic-settings 2.12.0
Pygments 2.19.2
pyparsing 3.2.5
python-dateutil 2.9.0.post0
python-dotenv 1.2.1
rich 14.2.0
scikit-learn 1.6.1
scipy 1.13.1
setuptools 80.9.0
six 1.17.0
sniffio 1.3.1
SQLAlchemy 2.0.44
stack-data 0.6.3
starlette 0.49.3
sympy 1.14.0
threadpoolctl 3.6.0
traitlets 5.14.3
typing_extensions 4.15.0
typing-inspection 0.4.2
uvicorn 0.38.0
wcwidth 0.2.14
zipp 3.23.0

[xhuohai]

If you are compiling k230, I haven't seen the nncase-kpu package. Of course, this is just one possible cause. If possible, please attach the compilation script and the onnx model. I will try to compile them in a Linux environment (I don't have a Windows development environment).