Use pip to install the latest stable version:

$ pip install mapchete

Manually install the latest development version

$ git clone && cd mapchete
$ pip install .

To make sure Rasterio, Fiona and Shapely are properly built against your local GDAL and GEOS installations, don’t install the binaries but build them on your system:

$ pip install --upgrade rasterio fiona shapely --no-binary :all: