Changed mkcred interface
diff --git a/Demo/rpc/nfsclient.py b/Demo/rpc/nfsclient.py
index eb26d24..4b6bc53 100644
--- a/Demo/rpc/nfsclient.py
+++ b/Demo/rpc/nfsclient.py
@@ -128,7 +128,7 @@
 		self.packer = NFSPacker().init()
 		self.unpacker = NFSUnpacker().init('')
 
-	def mkcred(self, proc):
+	def mkcred(self):
 		if self.cred == None:
 			self.cred = rpc.AUTH_UNIX, rpc.make_auth_unix_default()
 		return self.cred