diff -Naur yum-3.4.3-orig/yum/yumRepo.py yum-3.4.3/yum/yumRepo.py
--- yum-3.4.3-orig/yum/yumRepo.py       2011-11-17 09:59:00.245102708 -0700
+++ yum-3.4.3/yum/yumRepo.py    2011-11-17 09:59:17.311770413 -0700
@@ -1613,7 +1613,7 @@
                                   checkfunc=checkfunc,
                                   text=text,
                                   cache=self.http_caching == 'all',
-                                  size=thisdata.size)
+                                  size=int(thisdata.size))
         except (Errors.NoMoreMirrorsRepoError, Errors.RepoError):
             if retrieve_can_fail:
                 return None