diff --git a/restream/apps.py b/restream/apps.py
index 7084b08..fbd9a02 100644
--- a/restream/apps.py
+++ b/restream/apps.py
@@ -4,6 +4,5 @@ from django.apps import AppConfig
 class RestreamConfig(AppConfig):
     name = 'restream'
 
-
     def ready(self):
-        import restream.signals  #noqa
+        import restream.signals  # noqa
diff --git a/restream/models.py b/restream/models.py
index 79dde7e..d3d2828 100644
--- a/restream/models.py
+++ b/restream/models.py
@@ -2,7 +2,8 @@ from django.db import models
 
 # Create your models here.
 
-from srs.models import Application, Streamkey
+from srs.models import Streamkey
+
 
 class RestreamConfig(models.Model):
     streamkey = models.ForeignKey(Streamkey, on_delete=models.CASCADE)
diff --git a/restream/signals.py b/restream/signals.py
index cba3bf6..8bb481a 100644
--- a/restream/signals.py
+++ b/restream/signals.py
@@ -10,10 +10,12 @@ from srs.models import Streamkey
 
 logger = logging.getLogger(__name__)
 
+
 @receiver(on_unpublish)
 def callback_on_unpublish(sender, **kwargs):
     logger.info("stop publish - {}".format(kwargs['name']))
-    celery.send_task('main.stop_restream', kwargs={'name':kwargs['name']})
+    celery.send_task('main.stop_restream', kwargs={'name': kwargs['name']})
+
 
 @receiver(on_publish)
 def callback_on_publish(sender, **kwargs):
diff --git a/restream/tests.py b/restream/tests.py
index 7ce503c..9a30df3 100644
--- a/restream/tests.py
+++ b/restream/tests.py
@@ -1,3 +1,3 @@
-from django.test import TestCase
+from django.test import TestCase  # noqa
 
 # Create your tests here.
diff --git a/restream/views.py b/restream/views.py
index 91ea44a..6100593 100644
--- a/restream/views.py
+++ b/restream/views.py
@@ -1,3 +1,3 @@
-from django.shortcuts import render
+from django.shortcuts import render  # noqa
 
 # Create your views here.
diff --git a/srs/apps.py b/srs/apps.py
index 0f3bec1..8dd0da0 100644
--- a/srs/apps.py
+++ b/srs/apps.py
@@ -5,4 +5,4 @@ class SrsConfig(AppConfig):
     name = 'srs'
 
     def ready(self):
-        import srs.signals  #noqa
+        import srs.signals  # noqa
diff --git a/srs/migrations/0005_auto_20200413_1745.py b/srs/migrations/0005_auto_20200413_1745.py
index 00863d0..08c808b 100644
--- a/srs/migrations/0005_auto_20200413_1745.py
+++ b/srs/migrations/0005_auto_20200413_1745.py
@@ -14,6 +14,7 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='streamkey',
             name='key',
-            field=models.CharField(default=uuid.UUID('b5777854-4533-49dc-b38d-69738d8844d6'), max_length=64, unique=True),
+            field=models.CharField(default=uuid.UUID('b5777854-4533-49dc-b38d-69738d8844d6'),
+                                   max_length=64, unique=True),
         ),
     ]
diff --git a/srs/models.py b/srs/models.py
index e6bcfa8..3f54d3a 100644
--- a/srs/models.py
+++ b/srs/models.py
@@ -1,13 +1,12 @@
 from django.db import models
-from django.conf import settings
 import uuid
 
 from . import signals
 
+
 class Application(models.Model):
     name = models.CharField(max_length=100, unique=True)
 
-
     def __str__(self):
         return self.name
 
@@ -30,14 +29,14 @@ class Streamkey(models.Model):
 
     def on_unpublish(self, client_ip, client_id, vhost, param):
         signals.on_unpublish.send(sender=self.__class__,
-                                name=self.name,
-                                streamkey=self.key,
-                                app=str(self.application),
-                                client_ip=client_ip,
-                                client_id=client_id,
-                                vhost=vhost,
-                                param=param
-                                )
+                                  name=self.name,
+                                  streamkey=self.key,
+                                  app=str(self.application),
+                                  client_ip=client_ip,
+                                  client_id=client_id,
+                                  vhost=vhost,
+                                  param=param
+                                  )
 
     def __str__(self):
         return '{}'.format(self.name)
diff --git a/srs/signals.py b/srs/signals.py
index 8b692ef..2618e9f 100644
--- a/srs/signals.py
+++ b/srs/signals.py
@@ -1,4 +1,4 @@
 from django.dispatch import Signal
 
-on_publish = Signal(providing_args=['application','streamkey','node'])
-on_unpublish = Signal(providing_args=['application','streamkey','node'])
+on_publish = Signal(providing_args=['application', 'streamkey', 'node'])
+on_unpublish = Signal(providing_args=['application', 'streamkey', 'node'])
diff --git a/srs/tests.py b/srs/tests.py
index 7ce503c..9a30df3 100644
--- a/srs/tests.py
+++ b/srs/tests.py
@@ -1,3 +1,3 @@
-from django.test import TestCase
+from django.test import TestCase  # noqa
 
 # Create your tests here.
diff --git a/srs/views.py b/srs/views.py
index 39a7d27..0b2c92a 100644
--- a/srs/views.py
+++ b/srs/views.py
@@ -2,7 +2,6 @@ import json
 import logging
 
 from django.http import HttpResponse
-from django.shortcuts import render
 from django.views.decorators.csrf import csrf_exempt
 from django.core.exceptions import ObjectDoesNotExist
 
@@ -10,6 +9,7 @@ from . import models
 
 logger = logging.getLogger(__name__)
 
+
 @csrf_exempt
 def callback(request):
     if request.method != 'POST':
@@ -34,17 +34,17 @@ def callback(request):
         return HttpResponse('1', status=401)
 
     if json_data.get('action') == 'on_publish':
-      streamkey.on_publish(client_ip=client_ip,
-                         client_id=client_id,
-                         vhost=vhost,
-                         param=param
-                         )
+        streamkey.on_publish(client_ip=client_ip,
+                             client_id=client_id,
+                             vhost=vhost,
+                             param=param
+                             )
 
     if json_data.get('action') == 'on_unpublish':
-      streamkey.on_unpublish(client_ip=client_ip,
-                         client_id=client_id,
-                         vhost=vhost,
-                         param=param
-                         )
+        streamkey.on_unpublish(client_ip=client_ip,
+                               client_id=client_id,
+                               vhost=vhost,
+                               param=param
+                               )
 
     return HttpResponse('0')