# HG changeset patch
# User Anton Shestakov <av6@dwimlabs.net>
# Date 1524816850 -28800
# Node ID 0fc78fdca4b8afa883d3f79ecdba3b42c92e719f
# Parent  3b220226bbec9b8121848c6bc43d8473d0080864
obshistory: use a more appropriate type for obslog entries

cand is actually a regular changeset and not 'M' (graphmod.MISSINGPARENT). And
'M' is only used for graph edges, but cand is drawn as a graph node.

Visually there's no effect, but the code makes more sense this way.

diff -r 3b220226bbec -r 0fc78fdca4b8 hgext3rd/evolve/obshistory.py
--- a/hgext3rd/evolve/obshistory.py	Wed Apr 25 14:16:35 2018 +0100
+++ b/hgext3rd/evolve/obshistory.py	Fri Apr 27 16:14:10 2018 +0800
@@ -285,7 +285,7 @@
                 changectx = missingchangectx(repo, cand)
 
             childrens = [(graphmod.PARENT, x) for x in nodeprec.get(cand, ())]
-            yield (cand, 'M', changectx, childrens)
+            yield (cand, graphmod.CHANGESET, changectx, childrens)
 
 def _obshistorywalker_links(repo, revs, walksuccessors=False):
     """ Iterate the obs history tree starting from revs, traversing