fixed warnings in excel exporters

myems-api/excelexporters/spacesaving.py

@@ -1,7 +1,6 @@
 import base64
 import uuid
 import os
-import re
 from decimal import Decimal
 from openpyxl.chart import PieChart, LineChart, Reference
 from openpyxl.styles import PatternFill, Border, Side, Alignment, Font

myems-api/excelexporters/spacestatistics.py

@@ -1,7 +1,6 @@
 import base64
 import uuid
 import os
-import re
 from openpyxl.chart import LineChart, Reference
 from openpyxl.chart.label import DataLabelList
 from openpyxl.styles import PatternFill, Border, Side, Alignment, Font

myems-api/excelexporters/storesaving.py

@@ -1,7 +1,6 @@
 import base64
 import uuid
 import os
-import re
 from decimal import Decimal
 from openpyxl.chart import PieChart, LineChart, Reference
 from openpyxl.styles import PatternFill, Border, Side, Alignment, Font

myems-api/excelexporters/storestatistics.py

@@ -1,6 +1,5 @@
 import base64
 import os
-import re
 import uuid
 from openpyxl import Workbook
 from openpyxl.chart import LineChart, Reference

myems-api/excelexporters/tenantbatch.py

@@ -1,8 +1,6 @@
 import base64
 import uuid
 import os
-
-
 from openpyxl.styles import PatternFill, Border, Side, Alignment, Font
 from openpyxl.drawing.image import Image
 from openpyxl.utils import column_index_from_string, get_column_letter