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-rw-r--r--pre_commit/commands/autoupdate.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/pre_commit/commands/autoupdate.py b/pre_commit/commands/autoupdate.py
index 5a9a988..8c9fdd7 100644
--- a/pre_commit/commands/autoupdate.py
+++ b/pre_commit/commands/autoupdate.py
@@ -93,7 +93,7 @@ def _original_lines(
retry: bool = False,
) -> Tuple[List[str], List[int]]:
"""detect `rev:` lines or reformat the file"""
- with open(path) as f:
+ with open(path, newline='') as f:
original = f.read()
lines = original.splitlines(True)
@@ -126,7 +126,7 @@ def _write_new_config(path: str, rev_infos: List[Optional[RevInfo]]) -> None:
comment = match[4]
lines[idx] = f'{match[1]}rev:{match[2]}{new_rev}{comment}{match[5]}'
- with open(path, 'w') as f:
+ with open(path, 'w', newline='') as f:
f.write(''.join(lines))