Error in function Saliency_map()

[HariniNarasimhan]

AttributeError Traceback (most recent call last)
AttributeError: 'functools.partial' object has no attribute 'name'

The above exception was the direct cause of the following exception:

SystemError Traceback (most recent call last)
in
----> 1 map=Saliency_map(img,model,preprocess,4,use_gpu,method)

in Saliency_map(image, model, preprocess, ground_truth, use_gpu, method)
20 energy=output[0,ground_truth]
21 print(energy)
---> 22 energy.backward()
23 grad=input.grad
24 if use_gpu:

~\Anaconda3\lib\site-packages\torch\tensor.py in backward(self, gradient, retain_graph, create_graph)
148 products. Defaults to False.
149 """
--> 150 torch.autograd.backward(self, gradient, retain_graph, create_graph)
151
152 def register_hook(self, hook):

~\Anaconda3\lib\site-packages\torch\autograd_init_.py in backward(tensors, grad_tensors, retain_graph, create_graph, grad_variables)
97 Variable._execution_engine.run_backward(
98 tensors, grad_tensors, retain_graph, create_graph,
---> 99 allow_unreachable=True) # allow_unreachable flag
100
101

SystemError: PyEval_EvalFrameEx returned a result with an error set