style: fix flake8 error

Author: tmszi

apps/aklub/admin.py

@@ -98,12 +98,11 @@
 )
 from .profile_model_resources_mixin import ProfileModelResourceMixin
 from .utils import (
-    check_annotate_filters, edit_donor_annotate_filter, 
+    check_annotate_filters, edit_donor_annotate_filter,
     get_email_templates_names, sweet_text,
 )
 
 
-
 def admin_links(args_generator):
     return format_html_join(
         mark_safe('<br/>'),

apps/aklub/views.py

@@ -37,7 +37,6 @@
 from django.db.models.functions import TruncMonth
 from django.http import HttpResponse, JsonResponse
 from django.shortcuts import get_object_or_404, redirect, render, render_to_response
-from django.template import loader
 from django.template.loader import render_to_string
 from django.urls import reverse, reverse_lazy
 from django.utils.decorators import method_decorator