How to use the pywaffle.fontawesome.FONTAWESOME_FILES function in pywaffle

x = xdescent + width / 2.0
        y = ydescent + height / 2.0
        kwargs = {
            "horizontalalignment": "center",
            "verticalalignment": "center",
            "color": orig_handle.color,
            "fontproperties": fm.FontProperties(fname=self.font_file, size=fontsize),
        }
        kwargs.update(orig_handle.kwargs)
        annotation = Text(x, y, orig_handle.text, **kwargs)
        return [annotation]


HANDLER_MAP = {
    SolidTextLegend: TextLegendHandler(FONTAWESOME_FILES["solid"]),
    RegularTextLegend: TextLegendHandler(FONTAWESOME_FILES["regular"]),
    BrandsTextLegend: TextLegendHandler(FONTAWESOME_FILES["brands"]),
}


class Waffle(Figure):
    """

    A custom Figure class to make waffle charts.

    :param values: Numerical value of each category. If it is a dict, the keys would be used as labels.
    :type values: list|dict|pandas.Series

    :param rows: The number of lines of the waffle chart.
    :type rows: int

    :param columns: The number of columns of the waffle chart.

break

                this_cat_block_count = 0
            elif block_number_per_cat[class_index] < 0:
                raise ValueError("Negative value is not acceptable")

            if this_cat_block_count > colored_block_number_per_cat[class_index]:
                color = (0, 0, 0, 0)  # transparent
            else:
                color = self._pa["colors"][class_index]

            x = x_full * col
            y = y_full * row

            if self._pa["icons"]:
                prop.set_file(FONTAWESOME_FILES[self._pa["icon_style"][class_index]])
                self.ax.text(
                    x=x, y=y, s=self._pa["icons"][class_index], color=color, fontproperties=prop,
                )
            elif self._pa["characters"]:
                self.ax.text(
                    x=x, y=y, s=self._pa["characters"][class_index], color=color, fontproperties=prop,
                )
            else:
                self.ax.add_artist(Rectangle(xy=(x, y), width=block_x_length, height=block_y_length, color=color))

            block_index += 1
            this_cat_block_count += 1
            if block_index >= sum(block_number_per_cat[: class_index + 1]):
                class_index += 1
                if class_index > self.values_len - 1:
                    break