--- BitTorrent-5.3-GPL/BitTorrent/Connector.py.noise	2009-02-04 22:42:12.000000000 +0000
+++ BitTorrent-5.3-GPL/BitTorrent/Connector.py	2010-02-25 14:14:15.680426088 +0000
@@ -686,16 +686,25 @@
                         self.logger.exception("ut_pex support failed")
                         self.uses_utorrent_pex = False
         elif msg_type == UTORRENT_MSG_PEX:
-            for i, addr in enumerate(IPTools.uncompact_sequence(d['added'])):
-                self.remote_pex_set.add(addr)
-                if len(d['added.f']) > i:
-                    if (ord(d['added.f'][i]) & 2 and
-                        self.parent.downloader.storage.get_amount_left() == 0):
-                        # don't connect to seeds if we're done
-                        continue
-                self.parent.start_connection(addr)
-            dropped_gen = IPTools.uncompact_sequence(d['dropped'])
-            self.remote_pex_set.difference_update(dropped_gen)
+            try:
+                for i, addr in enumerate(IPTools.uncompact_sequence(d['added'])):
+                    self.remote_pex_set.add(addr)
+                    try:
+                        if len(d['added.f']) > i:
+                            if (ord(d['added.f'][i]) & 2 and
+                                self.parent.downloader.storage.get_amount_left() == 0):
+                                # don't connect to seeds if we're done
+                                continue
+                    except KeyError:
+                        pass
+                    self.parent.start_connection(addr)
+                try:
+                    dropped_gen = IPTools.uncompact_sequence(d['dropped'])
+                    self.remote_pex_set.difference_update(dropped_gen)
+                except KeyError:
+                    pass
+            except KeyError:
+                pass
 
     def _got_azureus_msg(self, msg_type, d):
         port = d.get('tcp_port')