[kupfer] plugin.notes, screen: pickle_prepare not needed.

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 1762d02b64249fefbbfcfe2f2b6ec11f7ec9eb81
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Tue Sep 8 17:57:08 2009 +0200

    plugin.notes, screen: pickle_prepare not needed.

 kupfer/plugin/notes.py  |    3 ---
 kupfer/plugin/screen.py |    5 +----
 2 files changed, 1 insertions(+), 7 deletions(-)
---
diff --git a/kupfer/plugin/notes.py b/kupfer/plugin/notes.py
index 35f25ac..136d908 100644
--- a/kupfer/plugin/notes.py
+++ b/kupfer/plugin/notes.py
@@ -163,9 +163,6 @@ class NotesSource (AppLeafContentMixin, Source, PicklingHelperMixin,
 			dirs.extend(notedatapaths)
 		self.monitor_token = self.monitor_directories(*dirs)
 
-	def pickle_prepare(self):
-		self.monitor_token = None
-
 	def _update_cache(self, notes):
 		try:
 			noteuris = notes.ListAllNotes()
diff --git a/kupfer/plugin/screen.py b/kupfer/plugin/screen.py
index 5f95d55..a082df7 100644
--- a/kupfer/plugin/screen.py
+++ b/kupfer/plugin/screen.py
@@ -61,9 +61,6 @@ class ScreenSessionsSource (Source, PicklingHelperMixin, FilesystemWatchMixin):
 		super(ScreenSessionsSource, self).__init__(_("Screen Sessions"))
 		self.unpickle_finish()
 
-	def pickle_prepare(self):
-		self.monitor = None
-
 	def unpickle_finish(self):
 		"""Set up a directory watch on Screen's socket dir"""
 		self.screen_dir = (os.getenv("SCREENDIR") or
@@ -72,7 +69,7 @@ class ScreenSessionsSource (Source, PicklingHelperMixin, FilesystemWatchMixin):
 			self.screen_dir = None
 			self.output_debug("Screen socket dir or SCREENDIR not found")
 			return
-		self.monitor = self.monitor_directories(self.screen_dir)
+		self.monitor_token = self.monitor_directories(self.screen_dir)
 
 	def get_items(self):
 		if not self.screen_dir: