Add tqdm to Python requirements

[sw]

Should fix #289

[sw]

Come to think of it, why is torchvision torchaudio there?

[bvajk]

Did you check wether it really fixes the problem or did you just commit it there because I commented it on the issue?

[sw]

I'm no docker expert and can't figure out how to run the image built by Github (before it's merged, obviously). But I was able to reproduce and fix the problem with a local docker build. I also removed torchvision torchaudio as they didn't seem to be needed, and added requests.