RuntimeError..

[lululalamm]

Traceback (most recent call last):
File "main.py", line 352, in
main()
File "main.py", line 146, in main
is_calc_map=args.calc_map)
File "main.py", line 298, in evaluate
vis_result_dir=vis_result_dir)
File "/data/multi_person/pytorch-ppn/utils/eval_util.py", line 87, in multi_image_testing_on_mpi_mp_dataset
vis_im_path=vis_im_path)
File "/data/multi_person/pytorch-ppn/utils/eval_util.py", line 163, in single_image_testing_on_mpi_mp_dataset
input_im = transform(cropped_im)
File "/usr/local/lib/python3.6/dist-packages/torchvision/transforms/transforms.py", line 60, in call
img = t(img)
File "/usr/local/lib/python3.6/dist-packages/torchvision/transforms/transforms.py", line 163, in call
return F.normalize(tensor, self.mean, self.std, self.inplace)
File "/usr/local/lib/python3.6/dist-packages/torchvision/transforms/functional.py", line 208, in normalize
tensor.sub_(mean[:, None, None]).div_(std[:, None, None])
RuntimeError: expected type torch.DoubleTensor but got torch.FloatTensor

How can i fix it? :(