clients_icons. fix a bug with self contacts

clients_icons/clients_icons.py

@@ -193,9 +193,10 @@ class ClientsIconsPlugin(GajimPlugin):
             roster.model)[0]
         if contact != iq_obj.contact:
             # higest contact changed
-            caps = contact.client_caps._node
-            self.set_icon(roster.model, iter_, self.renderer_num, caps)
-            return
+            if roster.model[iter_][self.renderer_num] is not None:
+                caps = contact.client_caps._node
+                self.set_icon(roster.model, iter_, self.renderer_num, caps)
+                return
         caps = None
         tag = iq_obj.stanza.getTags('c')
         if tag:

clients_icons/manifest.ini

@@ -1,7 +1,7 @@
 [info]
 name: Clients icons
 short_name: clients_icons
-version: 0.2
+version: 0.3
 description: Shows the client icons in the roster
  and in groupchats.
 authors = Denis Fomin <fominde@gmail.com>