[pre-commit.ci] pre-commit autoupdate (#710)

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

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.14.14 → v0.15.4](astral-sh/ruff-pre-commit@v0.14.14...v0.15.4)

* [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>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -28,7 +28,7 @@ repos:
     - id: trailing-whitespace
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.14.14
+    rev: v0.15.4
     hooks:
     - id: ruff
       args: ["--fix", "--show-fixes"]

myst_nb/ext/execution_tables.py

@@ -94,9 +94,9 @@ def run(self, **kwargs) -> None:
 }
 
 _key2transform: dict[str, Callable[[Any], str]] = {
-    "mtime": lambda x: datetime.fromtimestamp(x).strftime("%Y-%m-%d %H:%M")
-    if x
-    else "",
+    "mtime": lambda x: (
+        datetime.fromtimestamp(x).strftime("%Y-%m-%d %H:%M") if x else ""
+    ),
     "method": str,
     "runtime": lambda x: "-" if x is None else str(round(x, 2)),
     "succeeded": lambda x: "✅" if x is True else "❌",