- explicit check if examples are actually present
- explicit check if examples are actually present

tectronics/pysal,Alwnikrotikz/pysal,Alwnikrotikz/pysal,Alwnikrotikz/pysal,AlanZatarain/pysal,tectronics/pysal,AlanZatarain/pysal,tectronics/pysal,AlanZatarain/pysal