<reponame>rezamahdi/pyzantium
import hashlib

from pytest import fixture
from pytest import mark


@fixture
def chain():
    return 1


class TestBlock:
    def test_create_block(chain):
        assert 1 == 1

import hashlib

from pytest import fixture
from pytest import mark


@fixture
def chain():
    return 1


class TestBlock:
    def test_create_block(chain):
        assert 1 == 1