prepend directory

pgfw/Sprite.py

@@ -1,5 +1,5 @@
 from os import listdir
-from os.path import isfile
+from os.path import isfile, join
 
 from pygame import Color, Rect
 from pygame.image import load
@@ -26,7 +26,7 @@ class Sprite(Animation):
         if isfile(path):
             paths = [path]
         else:
-            paths = sorted(listdir(path))
+            paths = [join(path, name) for name in sorted(listdir(path))]
         for path in paths:
             self.add_frame(load(path), transparency)