How to use the pandasgui.store.store.data function in pandasgui

# Get an application instance
        self.app = QtWidgets.QApplication.instance()
        if self.app:
            logger.info("Using existing QApplication instance")
        if not self.app:
            self.app = QtWidgets.QApplication(sys.argv)

        super().__init__()

        # https://stackoverflow.com/a/27178019/3620725
        self.setAttribute(QtCore.Qt.WA_DeleteOnClose)

        # Adds DataFrames listed in kwargs to store.
        for i, (df_name, df_object) in enumerate(kwargs.items()):
            store.data[df_name] = {}
            store.data[df_name]["dataframe"] = df_object

        # Generates all UI contents
        self.setupUI()

        # %% Window settings
        # Set size
        screen = QtWidgets.QDesktopWidget().screenGeometry()
        percentage_of_screen = 0.7
        size = tuple(
            (
                pd.np.array([screen.width(), screen.height()]) * percentage_of_screen
            ).astype(int)
        )
        self.resize(QtCore.QSize(*size))
        # Center window on screen

logger.warning(
                    f'Automatically converted "{df_name}" from type {type(df_object)}'
                    " to DataFrame"
                )
            except:
                logger.warning(
                    f'Could not convert "{df_name}" from type {type(df_object)} to'
                    " DataFrame"
                )
                return

        # Non-string column indices causes problems when pulling them from a GUI dropdown (which will give str)
        if type(df_object.columns) != pd.MultiIndex:
            df_object.columns = df_object.columns.astype(str)

        store.data[df_name] = {}
        store.data[df_name] = {}
        store.data[df_name]["dataframe"] = df_object

        dfe = DataFrameExplorer(df_object)
        self.stacked_widget.addWidget(dfe)

        store.data[df_name]["dataframe_explorer"] = dfe
        self.add_df_to_nav(df_name)