Revert change in file_task_handler

Author: jason810496

airflow-core/src/airflow/utils/log/file_task_handler.py

@@ -30,7 +30,7 @@
 from itertools import chain, islice
 from pathlib import Path
 from types import GeneratorType
-from typing import IO, TYPE_CHECKING, Any, TypedDict, cast
+from typing import IO, TYPE_CHECKING, TypedDict, cast
 from urllib.parse import urljoin
 
 import pendulum
@@ -71,7 +71,7 @@
 """The legacy format of log messages before 3.0.4"""
 LogSourceInfo: TypeAlias = list[str]
 """Information _about_ the log fetching process for display to a user"""
-RawLogStream: TypeAlias = Generator[str | dict[str, Any], None, None]
+RawLogStream: TypeAlias = Generator[str, None, None]
 """Raw log stream, containing unparsed log lines."""
 LegacyLogResponse: TypeAlias = tuple[LogSourceInfo, LogMessages | None]
 """Legacy log response, containing source information and log messages."""