Silence warnings under -3 triggered by wsgiref.
diff --git a/Lib/wsgiref/util.py b/Lib/wsgiref/util.py
index 9009b87..450a32f 100644
--- a/Lib/wsgiref/util.py
+++ b/Lib/wsgiref/util.py
@@ -98,7 +98,7 @@
         return None
 
     path_parts = path_info.split('/')
-    path_parts[1:-1] = [p for p in path_parts[1:-1] if p and p<>'.']
+    path_parts[1:-1] = [p for p in path_parts[1:-1] if p and p != '.']
     name = path_parts[1]
     del path_parts[1]
 
@@ -166,7 +166,7 @@
     'connection':1, 'keep-alive':1, 'proxy-authenticate':1,
     'proxy-authorization':1, 'te':1, 'trailers':1, 'transfer-encoding':1,
     'upgrade':1
-}.has_key
+}.__contains__
 
 def is_hop_by_hop(header_name):
     """Return true if 'header_name' is an HTTP/1.1 "Hop-by-Hop" header"""