fix bug

app.py

@@ -39,7 +39,7 @@ direction_list = []
 directions = [f for f in os.listdir(direction_folder) if f.endswith(".npz")]
 for d in directions:
     with np.load(direction_folder + d) as data:
-        dir_name = f.split(".npz")[0]
+        dir_name = d.split(".npz")[0]
         direction_list.append(data["s"])
         direction_map[dir_name] = {"direction": data["s"], "stylegan_type": "FFHQ"}