Add sigmoid in train and eval

bob/learn/pytorch/architectures/MCCNNv2.py

@@ -253,9 +253,7 @@ class MCCNNv2(nn.Module):
 
     output = self.linear2fc(output)
 
-    if self.training:
-
-      output=nn.Sigmoid()(output)
+    output=nn.Sigmoid()(output)
 
     return output