Run Python black only for specific git author email address

black_for_author.py

import git
import black
from blib2to3.pgen2.tokenize import TokenError

new_lines = list()
author_email = "example@example.org"
filename = "setup.py"
for commit, lines in repo.blame('HEAD', filename):
    if author_email == commit.author.email:
        try:
            new_lines.append(
                black.format_str(
                    "\n".join(lines), 
                    mode=black.Mode()
                )
            )
        except:
            new_lines.extend(lines)
    else:
        new_lines.extend(lines)
open(filename, "w").writelines(new_lines)