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"""Disallow use of the unicode_literals future."""
from __future__ import annotations
import re
import sys
def main():
"""Main entry point."""
for path in sys.argv[1:] or sys.stdin.read().splitlines():
with open(path, 'r', encoding='utf-8') as path_fd:
for line, text in enumerate(path_fd.readlines()):
match = re.search(r'(unicode_literals)', text)
if match:
print('%s:%d:%d: do not use `unicode_literals`' % (
path, line + 1, match.start(1) + 1))
if __name__ == '__main__':
main()
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