On Mon, 2014-05-12 at 17:48 +0200, Angel Ezquerra wrote: > File "mercurial\repoview.pyo", line 44, in <genexpr> if tags: blockers.extend(cl.rev(t[0]) for t in tags.values()) You have a tag that points to a non-existent node. -- Mathematics is the supreme nostalgia of our time.