import base64
import uuid
import os
from openpyxl.chart import (
        PieChart,
        BarChart,
        Reference,
    )
from openpyxl.styles import PatternFill, Border, Side, Alignment, Font
from openpyxl.drawing.image import Image
from openpyxl import Workbook
from openpyxl.chart.label import DataLabelList