Pastes data into grid

        Parameters
        ----------

        key: 2-Tuple of Integer
        \tTop left cell
        data: String or wx.Bitmap
        \tTab separated string of paste data
        \tor paste data image

def paste(self, key, data):
        """Pastes data into grid

        Parameters
        ----------

        key: 2-Tuple of Integer
        \tTop left cell
        data: String or wx.Bitmap
        \tTab separated string of paste data
        \tor paste data image
        """

        data_gen = self._get_paste_data_gen(key, data)

        self.grid.actions.paste(key[:2], data_gen, freq=1000)

        self.main_window.grid.ForceRefresh()