@extensionmethod(Observable, instancemethod=True)
def catch_exception(self, second=None, handler=None):

    if handler or not isinstance(second, Observable):
        return catch_handler(self, handler or second)

    return Observable.catch_exception([self, second])
Widths of a single cell given a pointer.
dataset/ETHPy150Open ReactiveX/RxPY/rx/linq/observable/catch.py/catch_exception--crossover with--dataset/ETHPy150Open simpeg/simpeg/SimPEG/Mesh/TreeMesh.py/TreeMesh._cellH