install `cellpose` on MacOS with `conda` and `pip`

install_cellpose_macos.zsh

# remove previous conda environment (optional)
conda deactivate
conda remove --name cellpose --all

# create your `cellpose` environment
conda create --name cellpose

# install dependencies and `cellpose[gui]` package from `conda-forge`
conda activate cellpose
conda install -c conda-forge pyqt pyqtgraph 'cellpose[gui]'

# add missing new dependencies and update `cellpose[gui]` to the latest version
conda install -c conda-forge roifile superqt
pip install --no-deps --upgrade 'cellpose[gui]'