[pre-commit.ci] pre-commit autoupdate (#65)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 23.7.0 → 23.9.1](psf/black@23.7.0...23.9.1)
- [github.com/astral-sh/ruff-pre-commit: v0.0.287 → v0.0.292](astral-sh/ruff-pre-commit@v0.0.287...v0.0.292)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Run pr-commit again

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Hynek Schlawack <hs@ox.cx>

.pre-commit-config.yaml

@@ -4,12 +4,12 @@ ci:
 
 repos:
   - repo: https://github.com/psf/black
-    rev: 23.7.0
+    rev: 23.9.1
     hooks:
       - id: black
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.0.287
+    rev: v0.0.292
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]

tests/test_packaging.py

@@ -13,19 +13,13 @@
 # limitations under the License.
 
 
-import sys
+from importlib import metadata
 
 import pytest
 
 import environ
 
 
-if sys.version_info < (3, 8):
-    import importlib_metadata as metadata
-else:
-    from importlib import metadata
-
-
 class TestLegacyMetadataHack:
     def test_version(self):
         """