def _iszero(x):
    return x.is_zero
Signals the end of an element in non-namespace mode.
dataset/ETHPy150Open sympy/sympy/sympy/matrices/dense.py/_iszero--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/xml/sax/handler.py/ContentHandler.endElement