address #163

Author: lucidrains

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "vector-quantize-pytorch"
-version = "1.17.7"
+version = "1.17.8"
 description = "Vector Quantization - Pytorch"
 authors = [
     { name = "Phil Wang", email = "lucidrains@gmail.com" }

vector_quantize_pytorch/residual_vq.py

@@ -367,7 +367,7 @@ def forward(
 
         # if shared codebook, update ema only at end
 
-        if self.shared_codebook:
+        if self.training and self.shared_codebook:
             shared_layer = first(self.layers)
             shared_layer._codebook.update_ema()
             shared_layer.update_in_place_optimizer()