def user_present(username):
    if User.objects.filter(username=username).count():
        return True
    return False
create like
dataset/ETHPy150Open DummyDivision/Tsune/terrain.py/user_present--crossover with--dataset/ETHPy150Open nitely/Spirit/spirit/comment/like/tests.py/LikeFormTest.test_like_create