Fix RESPONSE_TIMEOUT dependency loops.

sleekxmpp/xmlstream/handler/waiter.py

@@ -12,7 +12,7 @@ try:
 except ImportError:
     import Queue as queue
 
-from sleekxmpp.xmlstream import StanzaBase, RESPONSE_TIMEOUT
+from sleekxmpp.xmlstream import StanzaBase
 from sleekxmpp.xmlstream.handler.base import BaseHandler
 
 
@@ -69,7 +69,7 @@ class Waiter(BaseHandler):
         """
         pass
 
-    def wait(self, timeout=RESPONSE_TIMEOUT):
+    def wait(self, timeout=None):
         """
         Block an event handler while waiting for a stanza to arrive.
 
@@ -84,6 +84,9 @@ class Waiter(BaseHandler):
                        arrive. Defaults to the global default timeout
                        value sleekxmpp.xmlstream.RESPONSE_TIMEOUT.
         """
+        if timeout is None:
+            timeout = self.stream.response_timeout
+
         try:
             stanza = self._payload.get(True, timeout)
         except queue.Empty: