Install gpcp using the setup.py file: just run python3 -m pip install . in the root folder. Then you can import gpcp from anywhere. gpcp is not ready yet, but if you want to try it you are free to use ...

The Global Precipitation Climatology Project (GPCP), produced by the NASA Mesoscale Atmospheric Processes Laboratory, comprises threee products: one-degree daily (1DD), monthly product and pentad data ...