Bump py from 1.7.0 to 1.10.0

Bumps [py](https://github.com/pytest-dev/py) from 1.7.0 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@1.7.0...1.10.0)

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

Author: dependabot[bot]

requirements.txt

@@ -14,7 +14,7 @@ pickleshare==0.7.5
 pluggy==0.8.0
 prompt-toolkit==2.0.7
 ptyprocess==0.6.0
-py==1.7.0
+py==1.10.0
 Pygments==2.3.0
 pytest==4.0.2
 six==1.11.0