diff -ru labyrinth-0.4.1.orig/src/labyrinth.py labyrinth-0.4.1/src/labyrinth.py
--- labyrinth-0.4.1.orig/src/labyrinth.py	2008-03-28 13:33:37.000000000 -0300
+++ labyrinth-0.4.1/src/labyrinth.py	2010-07-20 15:16:51.857575333 -0300
@@ -31,13 +31,14 @@
 if os.name != 'nt':
 	pygtk.require('2.0')
 	def _check (path):
-		return exists(path) and isdir(path) and isfile(path+"/AUTHORS")
+		return isdir(path) and isfile(join(path, "/AUTHORS"))
 
 	name = join(dirname(__file__), '..')
 	if _check(name):
 			sys.path.insert(0, abspath(name))
 	else:
-			sys.path.insert(0, abspath("@PYTHONDIR@"))
+			import labyrinth
+			sys.path.insert(0, dirname(labyrinth.__file__))
 
 import gtk