Bump pylint from 2.7.0 to 2.7.1

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.7.0 to 2.7.1.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/master/ChangeLog)
- [Commits](pylint-dev/pylint@pylint-2.7.0...pylint-2.7.1)

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

Author: dependabot-preview[bot]

test-requirements.txt

@@ -94,7 +94,7 @@ pyflakes==2.2.0
     # via flake8
 pygments==2.7.4
     # via ipython
-pylint==2.7.0
+pylint==2.7.1
     # via -r test-requirements.in
 pyopenssl==20.0.1
     # via -r test-requirements.in