Silence warnings under -3 triggered by wsgiref.
diff --git a/Lib/wsgiref/handlers.py b/Lib/wsgiref/handlers.py
index 099371b..173e34c 100644
--- a/Lib/wsgiref/handlers.py
+++ b/Lib/wsgiref/handlers.py
@@ -17,12 +17,13 @@
             d[k] = v
         return d
 
-try:
-    True
-    False
-except NameError:
-    True = not None
-    False = not True
+# Uncomment for 2.2 compatibility.
+#try:
+#    True
+#    False
+#except NameError:
+#    True = not None
+#    False = not True
 
 
 # Weekday and month names for HTTP date/time formatting; always English!
diff --git a/Lib/wsgiref/headers.py b/Lib/wsgiref/headers.py
index 016eb86..3169acf 100644
--- a/Lib/wsgiref/headers.py
+++ b/Lib/wsgiref/headers.py
@@ -63,7 +63,7 @@
         Does *not* raise an exception if the header is missing.
         """
         name = name.lower()
-        self._headers[:] = [kv for kv in self._headers if kv[0].lower()<>name]
+        self._headers[:] = [kv for kv in self._headers if kv[0].lower() != name]
 
     def __getitem__(self,name):
         """Get the first header value for 'name'
@@ -142,7 +142,7 @@
         return self._headers[:]
 
     def __repr__(self):
-        return "Headers(%s)" % `self._headers`
+        return "Headers(%r)" % self._headers
 
     def __str__(self):
         """str() returns the formatted headers, complete with end line,
diff --git a/Lib/wsgiref/simple_server.py b/Lib/wsgiref/simple_server.py
index 95996cc..1b0a4b2 100644
--- a/Lib/wsgiref/simple_server.py
+++ b/Lib/wsgiref/simple_server.py
@@ -169,7 +169,7 @@
     print >>stdout
     h = environ.items(); h.sort()
     for k,v in h:
-        print >>stdout, k,'=',`v`
+        print >>stdout, k,'=', repr(v)
     start_response("200 OK", [('Content-Type','text/plain')])
     return [stdout.getvalue()]
 
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"""