PackagesNotFoundError: The following packages are not available from current channels: - arrow-nightlies::libarrow - arrow-nightlies::pyarrow Current channels: - https://conda.anaconda.org/arrow-nightlies/linux-64 - https://conda.anaconda.org/conda-forge/linux-64 - https://repo.anaconda.com/pkgs/main/linux-64 - https://repo.anaconda.com/pkgs/r/linux-64 - https://conda.anaconda.org/arrow-nightlies - https://conda.anaconda.org/arrow-nightlies 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.