PackagesNotFoundError: The following packages are not available from current channels: - unittest Current channels: - https://conda.anaconda.org/conda-forge - https://conda.anaconda.org/accessnri - https://repo.anaconda.com/pkgs/main - https://repo.anaconda.com/pkgs/r To search for alternate channels that may provide the conda package you're looking for, navigate to https://anaconda.org and use the search bar at the top of the page.