'charmap' codec can't decode byte 0x81 in pfd
#read file as rb mode
file_path = f"E:ProjectezzytracemediaInvoicesFedex_invoices{file_name}"
with open(file_path,'rb' ) as f:
file_data = f.read()
response = HttpResponse(file_data, content_type='application/pdf')
response['Content-Disposition'] = f'attachment; filename="{file_name}"'
return response