Convert raise statements in Lib/plat-{mac,os2emx}.
diff --git a/Lib/plat-mac/pimp.py b/Lib/plat-mac/pimp.py
index 2a66d19..e52d0dc 100644
--- a/Lib/plat-mac/pimp.py
+++ b/Lib/plat-mac/pimp.py
@@ -185,7 +185,7 @@
             watcher=None):
         self.argument = argument
         if renames and not self._can_rename:
-            raise RuntimeError, "This unpacker cannot rename files"
+            raise RuntimeError("This unpacker cannot rename files")
         self._dir = dir
         self._renames = renames
         self._watcher = watcher