[kupfer] plugin.notes: NotesSource yields only Notes.

[Ulrik Sverdrup <usverdrup src gnome org>]

commit edf05c4438897e00034fadcacf1ec1cf3700b6b8
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Sat Sep 26 01:00:07 2009 +0200

    plugin.notes: NotesSource yields only Notes.

 kupfer/plugin/notes.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/kupfer/plugin/notes.py b/kupfer/plugin/notes.py
index 855b353..66e3658 100644
--- a/kupfer/plugin/notes.py
+++ b/kupfer/plugin/notes.py
@@ -196,6 +196,9 @@ class NotesSource (AppLeafContentMixin, Source, PicklingHelperMixin,
 		for noteuri, title, date in self._notes:
 			yield Note(noteuri, title, date=date)
 
+	def provides(self):
+		yield Note
+
 	def get_gicon(self):
 		return icons.get_gicon_with_fallbacks(None, PROGRAM_IDS)