diff --git a/src/_pytest/pastebin.py b/src/_pytest/pastebin.py
diff --git a/src/_pytest/pathlib.py b/src/_pytest/pathlib.py
diff --git a/src/_pytest/pytester.py b/src/_pytest/pytester.py
diff --git a/src/_pytest/pytester_assertions.py b/src/_pytest/pytester_assertions.py
diff --git a/src/_pytest/python.py b/src/_pytest/python.py
diff --git a/src/_pytest/python_api.py b/src/_pytest/python_api.py
diff --git a/src/_pytest/recwarn.py b/src/_pytest/recwarn.py
diff --git a/src/_pytest/reports.py b/src/_pytest/reports.py
diff --git a/src/_pytest/runner.py b/src/_pytest/runner.py
diff --git a/src/_pytest/skipping.py b/src/_pytest/skipping.py
diff --git a/src/_pytest/stepwise.py b/src/_pytest/stepwise.py
diff --git a/src/_pytest/store.py b/src/_pytest/store.py
diff --git a/src/_pytest/terminal.py b/src/_pytest/terminal.py
diff --git a/src/_pytest/threadexception.py b/src/_pytest/threadexception.py
diff --git a/src/_pytest/timing.py b/src/_pytest/timing.py
diff --git a/src/_pytest/tmpdir.py b/src/_pytest/tmpdir.py
diff --git a/src/_pytest/unittest.py b/src/_pytest/unittest.py
diff --git a/src/_pytest/unraisableexception.py b/src/_pytest/unraisableexception.py
diff --git a/src/_pytest/warning_types.py b/src/_pytest/warning_types.py
diff --git a/src/_pytest/warnings.py b/src/_pytest/warnings.py
diff --git a/src/pytest/__init__.py b/src/pytest/__init__.py
diff --git a/testing/acceptance_test.py b/testing/acceptance_test.py
diff --git a/testing/code/test_code.py b/testing/code/test_code.py
diff --git a/testing/code/test_excinfo.py b/testing/code/test_excinfo.py
diff --git a/testing/code/test_source.py b/testing/code/test_source.py
diff --git a/testing/conftest.py b/testing/conftest.py
diff --git a/testing/deprecated_test.py b/testing/deprecated_test.py
diff --git a/testing/example_scripts/issue_519.py b/testing/example_scripts/issue_519.py
diff --git a/testing/example_scripts/unittest/test_unittest_asyncio.py b/testing/example_scripts/unittest/test_unittest_asyncio.py
diff --git a/testing/example_scripts/unittest/test_unittest_asynctest.py b/testing/example_scripts/unittest/test_unittest_asynctest.py
diff --git a/testing/logging/test_formatter.py b/testing/logging/test_formatter.py
diff --git a/testing/logging/test_reporting.py b/testing/logging/test_reporting.py
diff --git a/testing/plugins_integration/requirements.txt b/testing/plugins_integration/requirements.txt
diff --git a/testing/python/approx.py b/testing/python/approx.py
diff --git a/testing/python/collect.py b/testing/python/collect.py
diff --git a/testing/python/fixtures.py b/testing/python/fixtures.py
diff --git a/testing/python/integration.py b/testing/python/integration.py
diff --git a/testing/python/metafunc.py b/testing/python/metafunc.py
diff --git a/testing/python/raises.py b/testing/python/raises.py
diff --git a/testing/test_argcomplete.py b/testing/test_argcomplete.py
diff --git a/testing/test_assertion.py b/testing/test_assertion.py
diff --git a/testing/test_assertrewrite.py b/testing/test_assertrewrite.py
diff --git a/testing/test_cacheprovider.py b/testing/test_cacheprovider.py
diff --git a/testing/test_capture.py b/testing/test_capture.py
diff --git a/testing/test_collection.py b/testing/test_collection.py
diff --git a/testing/test_compat.py b/testing/test_compat.py
diff --git a/testing/test_config.py b/testing/test_config.py
diff --git a/testing/test_conftest.py b/testing/test_conftest.py
diff --git a/testing/test_debugging.py b/testing/test_debugging.py
diff --git a/testing/test_doctest.py b/testing/test_doctest.py
diff --git a/testing/test_error_diffs.py b/testing/test_error_diffs.py
diff --git a/testing/test_faulthandler.py b/testing/test_faulthandler.py
diff --git a/testing/test_findpaths.py b/testing/test_findpaths.py
diff --git a/testing/test_helpconfig.py b/testing/test_helpconfig.py
diff --git a/testing/test_junitxml.py b/testing/test_junitxml.py
diff --git a/testing/test_link_resolve.py b/testing/test_link_resolve.py
diff --git a/testing/test_main.py b/testing/test_main.py
diff --git a/testing/test_mark.py b/testing/test_mark.py
diff --git a/testing/test_meta.py b/testing/test_meta.py
diff --git a/testing/test_monkeypatch.py b/testing/test_monkeypatch.py
diff --git a/testing/test_nodes.py b/testing/test_nodes.py
diff --git a/testing/test_nose.py b/testing/test_nose.py
diff --git a/testing/test_parseopt.py b/testing/test_parseopt.py
diff --git a/testing/test_pastebin.py b/testing/test_pastebin.py
diff --git a/testing/test_pathlib.py b/testing/test_pathlib.py
diff --git a/testing/test_pluginmanager.py b/testing/test_pluginmanager.py
diff --git a/testing/test_pytester.py b/testing/test_pytester.py
diff --git a/testing/test_recwarn.py b/testing/test_recwarn.py
diff --git a/testing/test_reports.py b/testing/test_reports.py
diff --git a/testing/test_runner.py b/testing/test_runner.py
diff --git a/testing/test_runner_xunit.py b/testing/test_runner_xunit.py
diff --git a/testing/test_session.py b/testing/test_session.py
diff --git a/testing/test_setuponly.py b/testing/test_setuponly.py
diff --git a/testing/test_setupplan.py b/testing/test_setupplan.py
diff --git a/testing/test_skipping.py b/testing/test_skipping.py
diff --git a/testing/test_stepwise.py b/testing/test_stepwise.py
diff --git a/testing/test_terminal.py b/testing/test_terminal.py
diff --git a/testing/test_threadexception.py b/testing/test_threadexception.py
diff --git a/testing/test_tmpdir.py b/testing/test_tmpdir.py
diff --git a/testing/test_unittest.py b/testing/test_unittest.py
diff --git a/testing/test_unraisableexception.py b/testing/test_unraisableexception.py
diff --git a/testing/test_warning_types.py b/testing/test_warning_types.py
diff --git a/testing/test_warnings.py b/testing/test_warnings.py
diff --git a/tox.ini b/tox.ini