Python-сообщество

from __future__ import unicode_literals
import re
search_unclosed_brackets = re.compile('\([^\)]+$')
def safe_brackets(string):
    """
    Args:
        string (str): source string
    Returns:
        string:
    """
    string = search_unclosed_brackets.sub('', string)
    return string

self.assertFalse(bool(re.findall(r'[\(][^\)]+$',safe_brackets(string)))