Python - Remove duplicate items in list of model objects

main.py

import toolz


class Token(object):
    def __init__(self, id, token):
        self.id = id
        self.token = token

    def get_id(self):
        return self.id

    def get_token(self):
        return self.token


first_list = [
    Token(0, 'hi'),
    Token(1, 'hi'),
    Token(1, 'hello'),
    Token(2, 'hi'),
    Token(3, 'token'),
    Token(4, 'it'),
    Token(5, 'in'),
    Token(6, 'in'),
    Token(7, 'in'),
    Token(8, 'hi'),
    Token(9, 'or'),
    Token(10, 'hello')
]

unique_list = toolz.unique(first_list, key=lambda token: token.get_token())
for token in unique_list:
    print(str(token.get_id()) + ' : ' + token.token)