Bump py from 1.8.0 to 1.10.0 in /bin/transformers

Bumps [py](https://github.com/pytest-dev/py) from 1.8.0 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@1.8.0...1.10.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

bin/transformers/requirements-dev.txt

@@ -25,7 +25,7 @@ opt-einsum==3.1.0
 packaging==19.2
 pluggy==0.13.0
 protobuf==3.10.0
-py==1.8.0
+py==1.10.0
 pyparsing==2.4.2
 pytest==5.2.1
 python-dateutil==2.8.0