Problem in running code

I am trying to run the demo.py . I have installed all the libraries as mentioned in requirements.txt.
I get this error. Please guide.
InvalidArgumentError (see above for traceback): No OpKernel was registered to support Op 'Resampler' with these attrs. Registered devices: [CPU], Registered kernels:

[[Node: resampler/Resampler = Resampler[T=DT_FLOAT](ResizeBilinear_1, Minimum)]]
Thanks!