cleanups: unused variables

mercurial/revset.py

@@ -288,7 +288,6 b' def contains(repo, subset, x):'
                 continue
     else:
         for r in subset:
-            c = repo[r]
             for f in repo[r].manifest():
                 if m(f):
                     s.append(r)

mercurial/win32.py

@@ -32,7 +32,7 b' def os_link(src, dst):'
                 pass
             # Fake hardlinking error
             raise OSError(errno.EINVAL, 'Hardlinking not supported')
-    except pywintypes.error, details:
+    except pywintypes.error:
         raise OSError(errno.EINVAL, 'target implements hardlinks improperly')
     except NotImplementedError: # Another fake error win Win98
         raise OSError(errno.EINVAL, 'Hardlinking not supported')