turns out LayerNorm also has weight and bias and needs to be pre-multiplied and trained for hypernets

modules/hypernetworks/hypernetwork.py

@@ -52,7 +52,7 @@ class HypernetworkModule(torch.nn.Module):
             self.load_state_dict(state_dict)
         else:
             for layer in self.linear:
-                if type(layer) == torch.nn.Linear:
+                if type(layer) == torch.nn.Linear or type(layer) == torch.nn.LayerNorm:
                     layer.weight.data.normal_(mean=0.0, std=0.01)
                     layer.bias.data.zero_()
 
@@ -80,7 +80,7 @@ class HypernetworkModule(torch.nn.Module):
     def trainables(self):
         layer_structure = []
         for layer in self.linear:
-            if type(layer) == torch.nn.Linear:
+            if type(layer) == torch.nn.Linear or type(layer) == torch.nn.LayerNorm:
                 layer_structure += [layer.weight, layer.bias]
         return layer_structure