--- a/hgext/evolve.py	Sat Apr 12 23:15:13 2014 +0200
+++ b/hgext/evolve.py	Sat Apr 12 23:16:02 2014 +0200
@@ -2352,7 +2352,7 @@
     else:
         f = self._callstream("evoext_pullobsmarkers_0", **opts)
         f = self._decompress(f)
-    length= int(f.read(20))
+    length = int(f.read(20))
     chunk = 4096
     current = 0
     data = StringIO()