chore: align local ruff with CI's dependency window

.pre-commit-config.yaml

@@ -39,7 +39,7 @@ repos:
         types: [python]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.10
+    rev: v0.15.15
     hooks:
       # Run the linter
       - id: ruff-check

marimo/_ai/_tools/tools/cells.py

@@ -24,7 +24,6 @@
 from marimo._types.ids import CellId_t, SessionId
 
 if TYPE_CHECKING:
-    from marimo._ast.models import CellData
     from marimo._session import Session
 
 

marimo/_ast/app.py

@@ -66,7 +66,6 @@
 from marimo._types.ids import CellId_t
 
 if TYPE_CHECKING:
-    from collections.abc import Sequence
     from types import FrameType, TracebackType
     from typing import TypeGuard
 

marimo/_lint/linter.py

@@ -3,7 +3,6 @@
 
 import asyncio
 import re
-from collections.abc import AsyncIterator, Iterator
 from dataclasses import dataclass, field
 from pathlib import Path
 from typing import TYPE_CHECKING

marimo/_plugins/ui/_impl/dataframes/transforms/handlers.py

@@ -3,7 +3,6 @@
 
 import datetime
 import decimal
-from collections.abc import Callable
 from functools import reduce
 from typing import TYPE_CHECKING, Any
 

marimo/_plugins/ui/_impl/table.py

@@ -2,7 +2,6 @@
 from __future__ import annotations
 
 import functools
-from collections.abc import Callable
 from dataclasses import dataclass
 from typing import (
     TYPE_CHECKING,
@@ -14,7 +13,7 @@
 )
 
 if TYPE_CHECKING:
-    from collections.abc import Mapping
+    from collections.abc import Callable, Mapping
 
 from narwhals.typing import IntoDataFrame
 
@@ -78,7 +77,7 @@
 )
 
 if TYPE_CHECKING:
-    from collections.abc import Callable, Sequence
+    from collections.abc import Sequence
 
     from narwhals.typing import IntoLazyFrame
 

marimo/_runtime/complete.py

@@ -5,7 +5,6 @@
 import html
 import re
 import sys
-import threading
 import time
 from collections.abc import Collection, Mapping
 from functools import lru_cache

marimo/_utils/narwhals_utils.py

@@ -10,7 +10,6 @@
 import narwhals.dtypes as nw_dtypes
 import narwhals.stable.v1 as nw1
 import narwhals.stable.v2 as nw
-from narwhals.typing import IntoDataFrame
 
 from marimo import _loggers
 

pyproject.toml

@@ -140,7 +140,7 @@ dev = [
     # Stubs for optional dataframe backends
     "pyarrow-stubs",
     # For linting
-    "ruff>=0.15.9",
+    "ruff>=0.15.15",
     # For AI
     "pydantic-ai-slim[openai]>=1.84.0",
 ]
@@ -263,7 +263,7 @@ typecheck = [
 
 docs = [
     "marimo_docs",
-    "ruff>=0.15.9",
+    "ruff>=0.15.15",
     "mkdocs>=1.6.1",
     # Live reloading broken in >= 9.6.21: https://github.com/squidfunk/mkdocs-material/issues/8478
     "mkdocs-material==9.6.20",

tests/_runtime/test_manage_script_metadata.py

@@ -1,7 +1,6 @@
 # Copyright 2026 Marimo. All rights reserved.
 from __future__ import annotations
 
-import pathlib
 from typing import TYPE_CHECKING, Any, cast
 from unittest.mock import AsyncMock, Mock, call, patch