- returning components only for undirected graphs
- returning components only for undirected graphs

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