check checkUpdate api slightly.. we never used a return value, so

don't return one..

[git-p4: depot-paths = "//depot/": change = 1301]

DIDLLite.py

@@ -136,7 +136,7 @@ class Object(object):
 		    self.title)
 
 	def checkUpdate(self):
-		return self
+		pass
 
 	def toElement(self):
 

FSStorage.py

@@ -65,7 +65,7 @@ class FSObject(object):
 		try:
 			nstat = os.stat(self.FSpath)
 			if statcmp(self.pstat, nstat):
-				return self
+				return
 
 			self.pstat = nstat
 			self.doUpdate()
@@ -74,12 +74,10 @@ class FSObject(object):
 			if x.errno in (errno.ENOENT, errno.ENOTDIR, errno.EPERM, ):
 				# We can't access it anymore, delete it
 				self.cd.delItem(self.id)
-				return None
+				return
 			else:
 				raise
 
-		return self
-
 	def doUpdate(self):
 		raise NotImplementedError
 

README

@@ -78,6 +78,8 @@ v0.x:
 	Made it a bit closer to a real twisted proejct, in the process,
 	  pymediaserv looks more like a normal program.  It allows you to
 	  override the media path and title of the server.
+	Minor change to checkUpdate API, we didn't use the return value, so
+	  don't return one anymore.
 
 v0.5:
 	Support multiple SSDP servers on the same box.

ZipStorage.py

@@ -159,7 +159,7 @@ class ZipItem:
 
 	def checkUpdate(self):
 		self.doUpdate()
-		return self.zo.checkUpdate()
+		self.zo.checkUpdate()
 
 class ZipFile(ZipItem, Item):
 	def __init__(self, *args, **kwargs):

dvd.py

@@ -141,7 +141,6 @@ class DVDTitle(StorageFolder):
 	def checkUpdate(self):
 		self.doUpdate()
 		#return self.dvddisc.checkUpdate()
-		return self
 
 	def doUpdate(self):
 		doupdate = False

shoutcast.py

@@ -321,7 +321,6 @@ class ShoutGenre(MusicGenre):
 
 	def checkUpdate(self):
 		self.doUpdate()
-		return self
 
 	def doUpdate(self):
 		#traceback.print_stack(file=log.logfile)
@@ -369,7 +368,6 @@ class ShoutCast(Container):
 
 	def checkUpdate(self):
 		self.doUpdate()
-		return self
 
 	def doUpdate(self):
 		#traceback.print_stack(file=log.logfile)