[cleanup] Fix some linting issues

django_q/brokers/aws_sqs.py

@@ -57,7 +57,6 @@ class Sqs(Broker):
             del(config['aws_region'])
         return Session(**config)
 
-
     def get_queue(self):
         self.sqs = self.connection.resource('sqs')
         return self.sqs.create_queue(QueueName=self.list_key)

django_q/brokers/ironmq.py

@@ -9,10 +9,10 @@ class IronMQBroker(Broker):
         return self.connection.post(task)['ids'][0]
 
     def dequeue(self):
-            timeout = Conf.RETRY or None
-            tasks = self.connection.get(timeout=timeout, wait=1, max=Conf.BULK)['messages']
-            if tasks:
-                return [(t['id'], t['body']) for t in tasks]
+        timeout = Conf.RETRY or None
+        tasks = self.connection.get(timeout=timeout, wait=1, max=Conf.BULK)['messages']
+        if tasks:
+            return [(t['id'], t['body']) for t in tasks]
 
     def ping(self):
         return self.connection.name == self.list_key

django_q/brokers/orm.py

@@ -60,7 +60,7 @@ class ORM(Broker):
 
     def dequeue(self):
         tasks = self.get_connection().filter(key=self.list_key, lock__lt=_timeout())[
-            0 : Conf.BULK
+            0: Conf.BULK
         ]
         if tasks:
             task_list = []