Bump py from 1.5.3 to 1.10.0

Bumps [py](https://github.com/pytest-dev/py) from 1.5.3 to 1.10.0.
- [Release notes](https://github.com/pytest-dev/py/releases)
- [Changelog](https://github.com/pytest-dev/py/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/py@1.5.3...1.10.0)

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

requirements.txt

@@ -20,7 +20,7 @@ packaging==17.1
 pbr==4.0.1
 Pillow==5.0.0
 pluggy==0.6.0
-py==1.5.3
+py==1.10.0
 pygame==1.9.3
 Pygments==2.2.0
 pyparsing==2.2.0