diff -r ee553e6cd8c4 -r fc04698fa778 mercurial/scmutil.py
--- a/mercurial/scmutil.py	Thu Apr 19 17:08:12 2012 +0200
+++ b/mercurial/scmutil.py	Wed Apr 18 15:16:15 2012 +0200
@@ -160,7 +160,7 @@
         raise NotImplementedError('attempted instantiating ' + str(type(self)))
 
     def tryread(self, path):
-        'gracefully return an empty string for missing files'
+        '''gracefully return an empty string for missing files'''
         try:
             return self.read(path)
         except IOError, inst: