def _stampGlyphDataState(self, glyph):
        if self._glyphSet is None:
            return
        glyphSet = self._glyphSet
        glyphName = glyph.name
        if glyphSet.contents not in glyphName:
            return
        path = os.path.join(self.path, "glyphs", glyphSet.contents[glyphName])
        # get the text
        f = open(path, "rb")
        text = f.read()
        f.close()
        # get the file modification time
        modTime = os.stat(path).st_mtime
        # store the data
        glyph._dataOnDisk = text
        glyph._dataOnDiskTimeStamp = modTime

    # data comparison
dataset/ETHPy150Open typesupply/defcon/Lib/defcon/objects/font.py/Font._stampGlyphDataState/swapped operands of `not in`