Hi friends, I wanted to tell you that everything is working now.
What did I do to install it?
if you have a version of Conda not for Apple Silicon, please delete all.
(many python version there are)
delete all homebrew installation for delete all file not compatible with new conda for arm64.
use: where homebrew and delete
I downloaded the version of CONDA for arm64 directly from here:
https://docs.conda.io/en/latest/miniconda.html
the file is:
https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-arm64.sh
( for newbie install with sh ./filename.sh)
After that I followed as reported:
in this link https://root.cern/install/#conda
$ conda config --set channel_priority strict
$ conda create -c conda-forge --name <my-environment> root
$ conda activate <my-environment>
for example:
conda config --set channel_priority strict
conda create -c conda-forge --name env1 root
conda activate env1
With enviroment conda actived
in python3 prompt
import ROOT
now work fine, without error.
Python 3.10 is installed with conda.
Thanks for support