lint with black python. convert f style strings to old one. some small fixes

logs/models.py

@@ -1,12 +1,11 @@
-from django.db.models import Model, CharField, DateTimeField
+from django.db.models import CharField, DateTimeField, Model
 from django.utils.translation import gettext_lazy as _
 
-
 class Logs(Model):
-    user = CharField(_('user'), max_length=50)
-    instance = CharField(_('instance'), max_length=50)
-    message = CharField(_('message'), max_length=255)
-    date = DateTimeField(_('date'), auto_now=True)
+    user = CharField(_("user"), max_length=50)
+    instance = CharField(_("instance"), max_length=50)
+    message = CharField(_("message"), max_length=255)
+    date = DateTimeField(_("date"), auto_now=True)
 
     def __str__(self):
         return self.instance

logs/urls.py

@@ -1,6 +1,7 @@
 from django.urls import path
+
 from . import views
 
 urlpatterns = [
-    path('vm_logs/<vname>/', views.vm_logs, name='vm_logs'),
+    path("vm_logs/<vname>/", views.vm_logs, name="vm_logs"),
 ]

logs/views.py

@@ -1,8 +1,6 @@
 import json
 
-from django.http import HttpResponse, HttpResponseRedirect
-from django.shortcuts import render
-from django.urls import reverse
+from django.http import HttpResponse
 
 from admin.decorators import superuser_only
 from instances.models import Instance
@@ -29,14 +27,14 @@ def vm_logs(request, vname):
     """
 
     vm = Instance.objects.get(name=vname)
-    logs_ = Logs.objects.filter(instance=vm.name, date__gte=vm.created).order_by('-date')
+    logs_ = Logs.objects.filter(instance=vm.name, date__gte=vm.created).order_by("-date")
     logs = []
     for l in logs_:
         log = dict()
-        log['user'] = l.user
-        log['instance'] = l.instance
-        log['message'] = l.message
-        log['date'] = l.date.strftime('%x %X')
+        log["user"] = l.user
+        log["instance"] = l.instance
+        log["message"] = l.message
+        log["date"] = l.date.strftime("%x %X")
         logs.append(log)
 
     return HttpResponse(json.dumps(logs))