def eq_(a, b, msg=None):
    assert a == b, msg or "%r != %r" % (a, b)
fit background for XRF spectra.  Arguments:
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/testing/assertions.py/eq_--crossover with--dataset/ETHPy150Open xraypy/xraylarch/plugins/xrf/xrf_bgr.py/xrf_background