Error on importing "ngsolve"

Hello, I’m trying to use Netgen/NGSolve at my new computer.

I installed ngsolve via “pip install ngsolve” command.

Installation itself was successful.

However, when importing ngsolve, I got the error message like below

What should I do to fix this error?

and… here are packages in my virtual environment.

================================
(meshing) C:\Hokon\Python>conda list
packages in environment at C:\Users\HokonKim\anaconda3\envs\meshing:

Name Version Build Channel
asttokens 2.0.5 pyhd3eb1b0_0
backcall 0.2.0 pyhd3eb1b0_0
blas 1.0 mkl
ca-certificates 2023.05.30 haa95532_0
colorama 0.4.6 py39haa95532_0
comm 0.1.2 py39haa95532_0
debugpy 1.5.1 py39hd77b12b_0
decorator 5.1.1 pyhd3eb1b0_0
executing 0.8.3 pyhd3eb1b0_0
importlib-metadata 6.0.0 py39haa95532_0
importlib_metadata 6.0.0 hd3eb1b0_0
intel-openmp 2023.1.0 pypi_0 pypi
ipykernel 6.19.2 py39hd4e2768_0
ipython 8.12.0 py39haa95532_0
jedi 0.18.1 py39haa95532_1
jupyter_client 8.1.0 py39haa95532_0
jupyter_core 5.3.0 py39haa95532_0
libsodium 1.0.18 h62dcd97_0
matplotlib-inline 0.1.6 py39haa95532_0
mkl 2023.1.0 pypi_0 pypi
mkl-service 2.4.0 py39h2bbff1b_1
mkl_fft 1.3.6 py39hf11a4ad_1
mkl_random 1.2.2 py39hf11a4ad_1
nest-asyncio 1.5.6 py39haa95532_0
netgen-mesher 6.2.2303 pypi_0 pypi
ngsolve 6.2.2303 pypi_0 pypi
numpy 1.25.0 py39h055cbcc_0
numpy-base 1.25.0 py39h65a83cf_0
openssl 3.0.9 h2bbff1b_0
packaging 23.0 py39haa95532_0
parso 0.8.3 pyhd3eb1b0_0
pickleshare 0.7.5 pyhd3eb1b0_1003
pip 23.1.2 py39haa95532_0
platformdirs 2.5.2 py39haa95532_0
prompt-toolkit 3.0.36 py39haa95532_0
psutil 5.9.0 py39h2bbff1b_0
pure_eval 0.2.2 pyhd3eb1b0_0
pygments 2.15.1 py39haa95532_1
python 3.9.17 h1aa4202_0
python-dateutil 2.8.2 pyhd3eb1b0_0
pywin32 305 py39h2bbff1b_0
pyzmq 25.1.0 py39hd77b12b_0
setuptools 67.8.0 py39haa95532_0
six 1.16.0 pyhd3eb1b0_1
sqlite 3.41.2 h2bbff1b_0
stack_data 0.2.0 pyhd3eb1b0_0
tbb 2021.9.0 pypi_0 pypi
tornado 6.2 py39h2bbff1b_0
traitlets 5.7.1 py39haa95532_0
typing_extensions 4.6.3 py39haa95532_0
tzdata 2023c h04d1e81_0
vc 14.2 h21ff451_1
vs2015_runtime 14.27.29016 h5e58377_2
wcwidth 0.2.5 pyhd3eb1b0_0
wheel 0.38.4 py39haa95532_0
zeromq 4.3.4 hd77b12b_0
zipp 3.11.0 py39haa95532_0