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Failure to start Kernel due to Modules not installed
Don Jayamanne edited this page May 30, 2022
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Python kernels can fail to start if some modules such as ptyprocess, ipykernel, pyzmq, etc are not installed.
- Please consider installing the missing modules.
- If they have already been installed, its possible it hasn't been installed correctly, hence try the reinstall option as follows:
# if using a non-conda environment
python -m pip install <xyz> -U --force-reinstall
# If using a conda environment
conda install --name <environment name> <xyz> --update-deps --force-reinstall
- It is possible the Python environment is corrupted. This could happen when mixing
pip
install with conda environments. You might want to consider using another Python environment (such as a new conda environment). - It is possible you are using the wrong Python environment. Please review the Python environment selected in the kernel picker (generally displayed on the top right hand corner of the notebook).
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