fix readme

Author: lucidrains

README.md

@@ -17,10 +17,10 @@ import torch
 from vector_quantize_pytorch import VectorQuantize
 
 vq = VectorQuantize(
-	dim = 256,
-	n_embed = 512,     # size of the dictionary
-	decay = 0.8, 	   # the exponential moving average decay, lower means the dictionary will change faster
-	commitment = 1.    # the weight on the commitment loss
+    dim = 256,
+    n_embed = 512,     # size of the dictionary
+    decay = 0.8, 	   # the exponential moving average decay, lower means the dictionary will change faster
+    commitment = 1.    # the weight on the commitment loss
 )
 
 x = torch.randn(1, 1024, 256)