--- a/src/plugins/plugin_xep_0047.py	Sun Oct 02 00:29:04 2011 +0200
+++ b/src/plugins/plugin_xep_0047.py	Mon Oct 03 18:05:15 2011 +0200
@@ -20,7 +20,6 @@
 """
 
 from logging import debug, info, warning, error
-from twisted.internet import protocol
 from twisted.words.protocols.jabber import client, jid
 from twisted.words.protocols.jabber import error as jab_error
 from twisted.words.xish import domish
@@ -85,7 +84,8 @@
         if self.current_stream[sid].has_key("observer_cb"):
             xmlstream = self.current_stream[sid]["xmlstream"]
             xmlstream.removeObserver(self.current_stream[sid]["event_data"], self.current_stream[sid]["observer_cb"])
-        self.current_stream[sid]['timer'].cancel()
+        if self.current_stream[sid]['timer'].active():
+            self.current_stream[sid]['timer'].cancel()
         if self.current_stream[sid].has_key("size"):
             self.host.removeProgressCB(sid)
        
@@ -112,8 +112,11 @@
     def prepareToReceive(self, from_jid, sid, file_obj, size, success_cb, failure_cb):
         """Called when a bytestream is imminent
         @param from_jid: jid of the sender
-        @param id: Stream id
-        @param file_obj: File Object where the data will be written"""
+        @param sid: Stream id
+        @param file_obj: File object where data will be written
+        @param size: full size of the data, or None if unknown
+        @param success_cb: method to call when successfuly finished
+        @param failure_cb: method to call when something goes wrong"""
         data = self.current_stream[sid] = {}
         data["from"] = from_jid
         data["file_obj"] = file_obj
@@ -288,7 +291,7 @@
     def iqResult(self, sid, seq, length, iq_elt):
         """Called when the result of open iq is received"""
         data = self.current_stream[sid]
-        if iq_elt.type == "error":
+        if iq_elt["type"] == "error":
             warning(_("Transfer failed"))
             self.terminateStream(sid, "IQ_ERROR")
             return