--- 2.7/urllib2.py	2011-09-26 12:02:11.922255665 +0200
+++ modified-2.7/urllib2.py	2011-10-08 20:56:56.000000000 +0200
@@ -395,7 +395,11 @@
         meth_name = protocol+"_response"
         for processor in self.process_response.get(protocol, []):
             meth = getattr(processor, meth_name)
-            response = meth(req, response)
+            try:
+                response = meth(req, response)
+            except:
+                response.close()
+                raise
 
         return response
 
@@ -1158,6 +1162,7 @@
             except TypeError: #buffering kw not supported
                 r = h.getresponse()
         except socket.error, err: # XXX what error?
+            h.close()
             raise URLError(err)
 
         # Pick apart the HTTPResponse object to get the addinfourl