Fix flake8 errors

homebytwo/routes/tables.py

@@ -1,5 +1,4 @@
 from django import forms
-from django.utils.html import format_html
 
 import django_tables2 as tables
 from django_tables2 import Column, URLColumn, CheckBoxColumn

homebytwo/routes/views.py

@@ -13,7 +13,6 @@
 from django.views.decorators.csrf import csrf_exempt
 from django.views.decorators.http import require_safe
 from django.views.generic.edit import DeleteView, UpdateView
-from django.views.generic.list import ListView
 
 from pytz import utc
 from .tables import ActivityTable