def headerData(self, section, orientation, role=Qt.DisplayRole):
        if role != Qt.DisplayRole:
            return QVariant()

        if orientation == Qt.Horizontal:
            try:
                return self.df.columns.tolist()[section]
            except (__HOLE__, ):
                return QVariant()
        elif orientation == Qt.Vertical:
            try:
                # return self.df.index.tolist()
                return self.df.index.tolist()[section]
            except (IndexError, ):
                return QVariant()
dataset/ETHPy150Open pydata/pandas/pandas/sandbox/qtpandas.py/DataFrameModel.headerData