Fix ruff errors

PFERD/crawl/crawler.py

@@ -1,10 +1,10 @@
 import asyncio
 import os
 from abc import ABC, abstractmethod
-from collections.abc import Awaitable, Coroutine
+from collections.abc import Awaitable, Callable, Coroutine, Sequence
 from datetime import datetime
 from pathlib import Path, PurePath
-from typing import Any, Callable, Dict, List, Optional, Sequence, Set, Tuple, TypeVar
+from typing import Any, Optional, TypeVar
 
 from ..auth import Authenticator
 from ..config import Config, Section
@@ -116,7 +116,7 @@ class CrawlToken(ReusableAsyncContextManager[ProgressBar]):
         return bar
 
 
-class DownloadToken(ReusableAsyncContextManager[Tuple[ProgressBar, FileSink]]):
+class DownloadToken(ReusableAsyncContextManager[tuple[ProgressBar, FileSink]]):
     def __init__(self, limiter: Limiter, fs_token: FileSinkToken, path: PurePath):
         super().__init__()
 
@@ -128,7 +128,7 @@ class DownloadToken(ReusableAsyncContextManager[Tuple[ProgressBar, FileSink]]):
     def path(self) -> PurePath:
         return self._path
 
-    async def _on_aenter(self) -> Tuple[ProgressBar, FileSink]:
+    async def _on_aenter(self) -> tuple[ProgressBar, FileSink]:
         await self._stack.enter_async_context(self._limiter.limit_download())
         sink = await self._stack.enter_async_context(self._fs_token)
         # The "Downloaded ..." message is printed in the output dir, not here
@@ -205,7 +205,7 @@ class CrawlerSection(Section):
         on_windows = os.name == "nt"
         return self.s.getboolean("windows_paths", fallback=on_windows)
 
-    def auth(self, authenticators: Dict[str, Authenticator]) -> Authenticator:
+    def auth(self, authenticators: dict[str, Authenticator]) -> Authenticator:
         value = self.s.get("auth")
         if value is None:
             self.missing_value("auth")
@@ -262,7 +262,7 @@ class Crawler(ABC):
         return self._output_dir
 
     @staticmethod
-    async def gather(awaitables: Sequence[Awaitable[Any]]) -> List[Any]:
+    async def gather(awaitables: Sequence[Awaitable[Any]]) -> list[Any]:
         """
         Similar to asyncio.gather. However, in the case of an exception, all
         still running tasks are cancelled and the exception is rethrown.
@@ -394,7 +394,7 @@ class Crawler(ABC):
             log.warn("Couldn't find or load old report")
             return
 
-        seen: Set[PurePath] = set()
+        seen: set[PurePath] = set()
         for known in sorted(self.prev_report.found_paths):
             looking_at = list(reversed(known.parents)) + [known]
             for path in looking_at: