Downgrade tqdm version to 4.19 for py2.7 (#542)
Downgrade tqdm version to 4.19 for py2.7 (#542)

* reduce tqdm version to 4.19 for py2.7 to avoid spurious error

* Update setup.py

* Missed =

* Update wrong version string

pytorch/vision,pytorch/vision,pytorch/vision,pytorch/vision,pytorch/vision,pytorch/vision