def processFontDeclarations (self, fontDecl) :
        for fontFace in fontDecl.getElementsByTagName("style:font-face") :
            if fontFace.getAttribute("style:font-pitch") == "fixed" :
                self.fixedFonts.append(fontFace.getAttribute("style:name"))
Return the indices of the elements that are non-zero
dataset/ETHPy150Open lethain/lifeflow/markdown/odt2txt.py/OpenDocumentTextFile.processFontDeclarations--crossover with--dataset/ETHPy150Open pydata/pandas/pandas/core/series.py/Series.nonzero