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IPyKernel and other dependencies are not installed

Don Jayamanne edited this page Mar 10, 2022 · 1 revision

Running Python kernels requires some dependencies such as IPyKernel and the like to be installed. Without these packages the kernels will fail to start.

  • Please ensure these packages are installed, using the following command:
    # if using conda, where `env name` is the name of the conda environment.
    conda install -c conda-forge -n <env name> ipykernel
    # if not using conda
    <fully qualified path to Python> -m pip install ipykernel
  • If these packages have been installed, then try re-installing them using the following command:
    # if using conda, where `env name` is the name of the conda environment.
    conda install -c conda-forge -n <env name> ipykernel --update-deps --force-reinstall
    # if not using conda
    <fully qualified path to Python> -m pip install ipykernel -U --force-reinstall
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