Make install.py work on canary models (#1456)
Summary:
As titled.
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1456
Test Plan:
```
$ python install.py diffuser_instruct_pix2pix --canary
checking packages torch, torchvision, torchtext, torchaudio are installed...OK
checking out Git LFS files...OK
decompressing input tarball: coco128.tar.gz...OK
decompressing input tarball: speech_transformer_inputs.tar.gz...OK
decompressing input tarball: Background_Matting_inputs.tar.gz...OK
decompressing input tarball: pytorch_stargan_inputs.tar.gz...OK
decompressing input tarball: Super_SloMo_inputs.tar.gz...OK
decompressing input tarball: LearningToPaint_inputs.tar.gz...OK
decompressing input tarball: pytorch_CycleGAN_and_pix2pix_inputs.tar.gz...OK
decompressing input tarball: tacotron2-minimal.tar.gz...OK
decompressing input tarball: coco2017-minimal.tar.gz...OK
decompressing input tarball: multi30k.tar.gz...OK
running setup for /Users/xzhao9/git/benchmark/torchbenchmark/canary_models/diffuser_instruct_pix2pix...OK
```
Reviewed By: msaroufim
Differential Revision: D43859504
Pulled By: xuzhao9
fbshipit-source-id: 38e066b8d28870d543c1435d4aa37679fe5f179a
