diff --git a/hggit/git_handler.py b/hggit/git_handler.py
index 1ce24c836a38b753bc92178cec6d9ff08669f99b_aGdnaXQvZ2l0X2hhbmRsZXIucHk=..a74ef8c942354ee724b065931701f8ad8c113c9e_aGdnaXQvZ2l0X2hhbmRsZXIucHk= 100644
--- a/hggit/git_handler.py
+++ b/hggit/git_handler.py
@@ -1124,8 +1124,8 @@
 
     def local_heads(self):
         bms = self.repo._bookmarks
-        return dict([(filtered_bm, hex(bms[bm])) for
-                     filtered_bm, bm in self._filter_for_bookmarks(bms)])
+        return dict((filtered_bm, hex(bms[bm])) for
+                     filtered_bm, bm in self._filter_for_bookmarks(bms))
 
     def import_tags(self, refs):
         keys = refs.keys()