def _remove_param(tokens):
    i = (len(tokens) - 1)
    while (i > 0):
        if tokens[i].startswith('('):
            return tokens[:i]
        i -= 1
    return tokens
def _remove_param(tokens):
    i = (len(tokens) - 1)
    while (i > 0):
        if tokens[i].startswith('('):
            return tokens[:i]
        i -= 1
    return tokens