reports fix

import matplotlib

from django.contrib import admin

from django.contrib import admin, messages

from django.contrib.auth.decorators import permission_required

from django.core.exceptions import PermissionDenied

from django.db.models import Q

from django.http import HttpResponseRedirect

from django.shortcuts import get_object_or_404, render

from django.urls import path, reverse

from django.utils.decorators import method_decorator

    def report_view(self, request, report_id):

        report = get_object_or_404(ElectionReport, pk=report_id)

        if report.total_votes_count == 0:

            report.delete()

            messages.warning(request, "Raport usunięty ze względnu na brak wyborców")

            return HttpResponseRedirect(reverse("admin:stats_electionstats_changelist"))

        results_labels = list(report.option_votes.values_list("name", flat=True))

        results_values = list(report.option_votes.values_list("votes", flat=True))