Use explicit relative import, to make things work again.
diff --git a/Lib/wsgiref/handlers.py b/Lib/wsgiref/handlers.py
index 099371b..cc3a805 100644
--- a/Lib/wsgiref/handlers.py
+++ b/Lib/wsgiref/handlers.py
@@ -1,8 +1,8 @@
"""Base classes for server/gateway implementations"""
from types import StringType
-from util import FileWrapper, guess_scheme, is_hop_by_hop
-from headers import Headers
+from .util import FileWrapper, guess_scheme, is_hop_by_hop
+from .headers import Headers
import sys, os, time