[pre-commit.ci] pre-commit autoupdate (#296)

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

updates:
- [github.com/python-jsonschema/check-jsonschema: 0.26.3 → 0.27.0](python-jsonschema/check-jsonschema@0.26.3...0.27.0)
- [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

---------

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

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.26.3
+    rev: 0.27.0
     hooks:
       - id: check-github-workflows
 
@@ -31,12 +31,12 @@ repos:
           [mdformat-gfm, mdformat-frontmatter, mdformat-footnote]
 
   - 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"]

nbclient/__init__.py

@@ -1,4 +1,3 @@
-import subprocess
 import sys
 
 from ._version import __version__, version_info  # noqa  # noqa
@@ -13,6 +12,4 @@ def _cleanup() -> None:
 # see https://bugs.python.org/issue37380
 # the fix for python3.7: https://github.com/python/cpython/pull/15706/files
 if sys.platform == 'win32':
-    if sys.version_info < (3, 7):
-        subprocess._cleanup = _cleanup
-        subprocess._active = None
+    pass