hgext/convert/subversion.py

--- a/hgext/convert/subversion.py	Tue Oct 13 13:43:55 2009 -0700
+++ b/hgext/convert/subversion.py	Fri Oct 16 00:06:23 2009 +0200
@@ -115,7 +115,11 @@
 
     def __iter__(self):
         while True:
-            entry = pickle.load(self._stdout)
+            try:
+                entry = pickle.load(self._stdout)
+            except EOFError:
+                raise util.Abort(_('Mercurial failed to run itself, check'
+                                   ' hg executable is in PATH'))
             try:
                 orig_paths, revnum, author, date, message = entry
             except: