--- /usr/lib/python2.7/wsgiref/simple_server.py~	2014-10-02 23:32:47.718382895 +0200
+++ /usr/lib/python2.7/wsgiref/simple_server.py	2014-10-02 14:36:10.662220865 +0200
@@ -118,7 +118,8 @@
             return
 
         handler = ServerHandler(
-            self.rfile, self.wfile, self.get_stderr(), self.get_environ()
+            self.rfile, self.wfile, self.get_stderr(), self.get_environ(),
+            multithread = False
         )
         handler.request_handler = self      # backpointer for logging
         handler.run(self.server.get_app())