# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1495721882 -32400
# Node ID a87dabb053d0bc17fb34e1bf0512c5a25f8b0b4b
# Parent  43ae9e6eaabaeeb8c070dd04a6280180745b5256
localrepo: document that __contains__() may raise LookupError

diff -r 43ae9e6eaaba -r a87dabb053d0 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Sun May 21 15:56:02 2017 +0200
+++ b/mercurial/localrepo.py	Thu May 25 23:18:02 2017 +0900
@@ -573,6 +573,10 @@
         return context.changectx(self, changeid)
 
     def __contains__(self, changeid):
+        """True if the given changeid exists
+
+        error.LookupError is raised if an ambiguous node specified.
+        """
         try:
             self[changeid]
             return True