Fix grad assignment in other test

Author: greentfrapp

tests/attr/layer/test_grad_cam.py

@@ -48,9 +48,9 @@ def test_simple_input_conv_relu(self) -> None:
     def test_simple_input_conv_without_final_relu(self) -> None:
         net = BasicModel_ConvNet_One_Conv()
         inp = torch.arange(16).view(1, 1, 4, 4).float()
-        inp.requires_grad_()
         # Adding negative value to test final relu is not applied by default
         inp[0, 0, 1, 1] = -4.0
+        inp.requires_grad_()
         self._grad_cam_test_assert(
             net, net.conv1, inp, (0.5625 * inp,), attribute_to_layer_input=True
         )