Update README.md

README.md

@@ -68,7 +68,7 @@ load_x = []
   with open("train_x.dat", 'rb') as f:
     load_x = np.fromfile(f, dtype=np.float32)
 
-  load_y = []
+load_y = []
   with open("train_y.dat", 'rb') as f:
     load_y = np.fromfile(f, dtype=np.float32)
 ```