From b6d2aec49252795d05b2dfb8ce6a7095a4eb1578 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 12 Oct 2026 19:40:29 +0000
Subject: [PATCH 1/2] chore: update pre-commit hooks
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

updates:
- [github.com/rbubley/mirrors-prettier: v3.9.9 → v3.9.10](https://github.com/rbubley/mirrors-prettier/compare/v3.9.9...v3.9.10)
- [github.com/pre-commit/mirrors-mypy: v2.3.1 → v2.4.0](https://github.com/pre-commit/mirrors-mypy/compare/v2.3.1...v2.4.0)
- [github.com/astral-sh/ruff-pre-commit: v0.16.9 → v0.17.0](https://github.com/astral-sh/ruff-pre-commit/compare/v0.16.9...v0.17.0)
---
 .pre-commit-config.yaml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3a13b57d8..7d6b94cdc 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -33,13 +33,13 @@ repos:
         additional_dependencies: [mdformat-footnote]
 
   - repo: https://github.com/rbubley/mirrors-prettier
-    rev: "v3.9.9"
+    rev: "v3.9.10"
     hooks:
       - id: prettier
         types_or: [yaml, html, json]
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: "v2.3.1"
+    rev: "v2.4.0"
     hooks:
       - id: mypy
         files: ipykernel
@@ -94,7 +94,7 @@ repos:
       - id: rst-inline-touching-normal
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.16.9
+    rev: v0.17.0
     hooks:
       - id: ruff-check
         types_or: [python, jupyter]

From 4bb834eaf77fd47217815365f886b2e117b2895d Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 12 Oct 2026 19:41:07 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 ipykernel/jsonutil.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipykernel/jsonutil.py b/ipykernel/jsonutil.py
index 57e975c0f..d40661c74 100644
--- a/ipykernel/jsonutil.py
+++ b/ipykernel/jsonutil.py
@@ -26,7 +26,7 @@
 
 # holy crap, strptime is not threadsafe.
 # Calling it once at import seems to help.
-datetime.strptime("2000-01-01", "%Y-%m-%d")  # noqa: DTZ007
+datetime.strptime("2000-01-01", "%Y-%m-%d")
 
 # -----------------------------------------------------------------------------
 # Classes and functions