Bump pytest from 6.1.0 to 6.1.1

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.1.0 to 6.1.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/6.1.0...6.1.1)

requirements.txt

@@ -23,7 +23,7 @@ pyparsing==2.4.7
 py==1.9.0
 pyarrow==1.0.1
 pytest-lazy-fixture==0.6.3
-pytest==6.1.0
+pytest==6.1.1
 python-dateutil==2.8.1
 python-intervals==1.10.0.post1
 pytz==2020.1

sphinx-doc/requirements_sphinx.txt

@@ -37,7 +37,7 @@ py==1.8.1
 pyarrow==1.0.1
 Pygments==2.7.1
 pyparsing==2.4.6
-pytest==6.1.0
+pytest==6.1.1
 pytest-lazy-fixture==0.6.3
 python-dateutil==2.8.1
 python-intervals==1.10.0