Fix isort issues

helpdesk/forms.py

@@ -7,7 +7,6 @@ forms.py - Definitions of newforms-based forms for creating and maintaining
            tickets.
 """
 
-
 from datetime import datetime
 from django import forms
 from django.conf import settings
@@ -18,6 +17,8 @@ from django.utils.translation import gettext_lazy as _
 from helpdesk import settings as helpdesk_settings
 from helpdesk.lib import convert_value, process_attachments, safe_template_context
 from helpdesk.models import (
+    Checklist,
+    ChecklistTemplate,
     CustomField,
     FollowUp,
     IgnoreEmail,
@@ -26,9 +27,7 @@ from helpdesk.models import (
     TicketCC,
     TicketCustomFieldValue,
     TicketDependency,
-    UserSettings,
-    Checklist,
-    ChecklistTemplate
+    UserSettings
 )
 from helpdesk.settings import (
     CUSTOMFIELD_DATE_FORMAT,