adding bias term

InnerEye/ML/models/layers/weight_standardization.py

@@ -51,4 +51,4 @@ def standardize(weights: torch.Tensor) -> torch.Tensor:
 
  def forward(self, input: torch.Tensor) -> torch.Tensor: # type: ignore
  standardized_weights = WeightStandardizedConv2d.standardize(self.weight)
- return self._conv_forward(input, standardized_weights) # type: ignore
+ return self._conv_forward(input, standardized_weights, bias=None) # type: ignore