Adding a step for installing plpython (thanks Javi for the tip!). 
Adding a step for installing plpython (thanks Javi for the tip!). 
datapolitan/cartodb20,jmwenda/nationmaps,jmwenda/nationmaps,jmwenda/nationmaps,jmwenda/nationmaps,datapolitan/cartodb20,datapolitan/cartodb20,datapolitan/cartodb20