Makes `get_last_stable_node_version` more Pythonic
Makes `get_last_stable_node_version` more Pythonic

twmt/nodeenv,jamesblunt/nodeenv,Milstein/nodeenv,Milstein/nodeenv,simudream/nodeenv,jhermann/nodeenv,twmt/nodeenv,chriskuehl/nodeenv,simudream/nodeenv,jamesblunt/nodeenv,chriskuehl/nodeenv,asottile/nodeenv,asottile/nodeenv