ó ,µ[c@@s<ddlmZddlmZdgZed„ƒZdS(i(tabsolute_import(tcontextmanagertreversedcc@sy|jƒ}|r:|j|j|_|_|j|_nz dVWd|rt|j|j|_|_|j|_nXdS(s¾A context manager for temporarily reversing a directed graph in place. This is a no-op for undirected graphs. Parameters ---------- G : graph A NetworkX graph. N(t is_directedt_succt_predt_adj(tGtdirected((s=lib/python2.7/site-packages/networkx/utils/contextmanagers.pyR s  N(t __future__Rt contextlibRt__all__R(((s=lib/python2.7/site-packages/networkx/utils/contextmanagers.pyts