GitLab

* Add scipy as a dependency to setup.py

`scipy` is imported in both the `torchvision.datasets.svhn` module and the `torchvision.models.inception` module.

* Update setup.py

Make scipy optional. It can be installed with `pip install torchvision[scipy]`.

* cast mnist targer to int

* fix unused variables

* fix syntax in tests

* remove # noqa; rename l variable to line_split; use except OSError

* add W504

* add W504

* add W503,W504 tox.ini

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

* Update setup.py

* Missed =

* Update wrong version string

* make vision depend on pillow-simd if already installed

* actually make pillow-simd optional

* Added Progress Bar to the dataset downloading utility

* Updated progressbar to update by blcoks

* Added progressbar2 to the requirements

* fixed style issues

* Shifted from progressbar to tqdm

This reverts commit ab03dc43.

* Adding tests to ImageFolder

* Adding DatasetFolder class

* Fix tests for pytest and code for lint checker

* Adding mock to requirements for ImageFolder tests

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