Function not_in

lib/sqlalchemy/testing/assertions.py:338–340

Assert a in not b, with repr messaging on failure.

(a, b, msg=None)

def not_in(a, b, msg=None):
    """Assert a in not b, with repr messaging on failure."""
    assert a not in b, msg or "%r is in %r" % (a, b)


# deprecated.  See #5429