[Fix] dump has incompatible type TextIO (#2029)

9ea55bad · Zaida Zhou · GitHub · 569d588e · 9ea55bad
Unverified Commit 9ea55bad authored May 31, 2022 by Zaida Zhou Committed by GitHub May 31, 2022
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mmcv/fileio/io.py mmcv/fileio/io.py +2 -2

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--- a/mmcv/fileio/io.py
+++ b/mmcv/fileio/io.py
 # Copyright (c) OpenMMLab. All rights reserved.
 from io import BytesIO, StringIO
 from pathlib import Path
-from typing import Any, Callable, Dict, List, Optional, Union
+from typing import Any, Callable, Dict, List, Optional, TextIO, Union

 from ..utils import is_list_of
 from .file_client import FileClient
 from .handlers import BaseFileHandler, JsonHandler, PickleHandler, YamlHandler

-FileLikeObject = Union[StringIO, BytesIO]
+FileLikeObject = Union[TextIO, StringIO, BytesIO]

 file_handlers = {
    'json': JsonHandler(),