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-rw-r--r--pre_commit_hooks/trailing_whitespace_fixer.py9
1 files changed, 5 insertions, 4 deletions
diff --git a/pre_commit_hooks/trailing_whitespace_fixer.py b/pre_commit_hooks/trailing_whitespace_fixer.py
index 82faa2d..84f5067 100644
--- a/pre_commit_hooks/trailing_whitespace_fixer.py
+++ b/pre_commit_hooks/trailing_whitespace_fixer.py
@@ -1,13 +1,14 @@
+from __future__ import annotations
+
import argparse
import os
-from typing import Optional
from typing import Sequence
def _fix_file(
filename: str,
is_markdown: bool,
- chars: Optional[bytes],
+ chars: bytes | None,
) -> bool:
with open(filename, mode='rb') as file_processed:
lines = file_processed.readlines()
@@ -24,7 +25,7 @@ def _fix_file(
def _process_line(
line: bytes,
is_markdown: bool,
- chars: Optional[bytes],
+ chars: bytes | None,
) -> bytes:
if line[-2:] == b'\r\n':
eol = b'\r\n'
@@ -40,7 +41,7 @@ def _process_line(
return line.rstrip(chars) + eol
-def main(argv: Optional[Sequence[str]] = None) -> int:
+def main(argv: Sequence[str] | None = None) -> int:
parser = argparse.ArgumentParser()
parser.add_argument(
'--no-markdown-linebreak-ext',