From a35f9580688a3c0def7677dd9080f0c2f5d71eea Mon Sep 17 00:00:00 2001
From: Guillaume Desmottes <guillaume.desmottes@collabora.co.uk>
Date: Thu, 25 Sep 2008 11:35:06 +0000
Subject: _on_members_changed: ignore bus_name if it's None

---
diff --git a/AbiWordActivity.py b/AbiWordActivity.py
index cd922d0..a9384e8 100644
--- a/AbiWordActivity.py
+++ b/AbiWordActivity.py
@@ -284,6 +284,9 @@ class AbiWordActivity (Activity):
         logger.debug("_on_members_changed")
         for handle in removed:
             bus_name = self.participants.pop(handle, None)
+            if bus_name is None:
+                continue
+
             logger.debug('removed handle: %d, with dbus name: %s', handle,
                          bus_name)
             self.abiword_canvas.invoke_cmd('com.abisource.abiword.abicollab.olpc.buddyLeft', bus_name, 0, 0)
--
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