def ne_(a, b, msg=None):
    assert a != b, msg or "%r == %r" % (a, b)
Queries are constrained to a single database
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/testing/assertions.py/ne_--crossover with--dataset/ETHPy150Open django/django/tests/multiple_database/tests.py/QueryTestCase.test_basic_queries