Waveglow Cpu Inferencing

I am trying to produce the inference results of tacotron2 and waveglow model on CPU. I have changed all the cuda tensors to cpu in denoiser.py, glow.py and all the files in which changes were required, But still I am getting this No CUDA GPUs are available error.

I have attached the screen shot of the error. Please help e figure out and resolve the problem.