Apply typing to all of pre-commit-hooks
diff --git a/pre_commit_hooks/trailing_whitespace_fixer.py b/pre_commit_hooks/trailing_whitespace_fixer.py
index 1b54fbd..4fe7975 100644
--- a/pre_commit_hooks/trailing_whitespace_fixer.py
+++ b/pre_commit_hooks/trailing_whitespace_fixer.py
@@ -3,9 +3,11 @@
import argparse
import os
import sys
+from typing import Optional
+from typing import Sequence
-def _fix_file(filename, is_markdown):
+def _fix_file(filename, is_markdown): # type: (str, bool) -> bool
with open(filename, mode='rb') as file_processed:
lines = file_processed.readlines()
newlines = [_process_line(line, is_markdown) for line in lines]
@@ -18,7 +20,7 @@
return False
-def _process_line(line, is_markdown):
+def _process_line(line, is_markdown): # type: (bytes, bool) -> bytes
if line[-2:] == b'\r\n':
eol = b'\r\n'
elif line[-1:] == b'\n':
@@ -31,7 +33,7 @@
return line.rstrip() + eol
-def main(argv=None):
+def main(argv=None): # type: (Optional[Sequence[str]]) -> int
parser = argparse.ArgumentParser()
parser.add_argument(
'--no-markdown-linebreak-ext',
