Bump torchvision from 0.2.1 to 0.2.2

Bumps [torchvision](https://github.com/pytorch/vision) from 0.2.1 to 0.2.2.
- [Release notes](https://github.com/pytorch/vision/releases)
- [Commits](pytorch/vision@v0.2.1...v0.2.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

setup.py

@@ -6,7 +6,7 @@
     packages=find_packages(exclude=('tests',)),
     install_requires=['scipy==1.2.0',
                       'torch==1.0.1.post2',
-                      'torchvision==0.2.1',
+                      'torchvision==0.2.2',
                       'numpy==1.16.1',
                       'scikit-learn==0.20.2',
                       'scikit-image==0.14.2',