Bump py from 1.4.31 to 1.10.0

Bumps [py](https://github.com/pytest-dev/py) from 1.4.31 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@1.4.31...1.10.0)

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

requirements.txt

@@ -1,5 +1,5 @@
 jsonconversion==0.2.12
-py==1.4.31
+py==1.10.0
 pytest==2.9.2
 pytest-runner==2.8
 six==1.15.0