Use isinstance instead of typeof

django_q/tasks.py

@@ -1,27 +1,28 @@
 """Provides task functionality."""
 # Standard
 from time import sleep, time
-from multiprocessing import Value
 
 # django
 from django.db import IntegrityError
 from django.utils import timezone
+from multiprocessing import Value
 
+from django_q.brokers import get_broker
 # local
 from django_q.cluster import worker, monitor
-from django_q.signing import SignedPackage
 from django_q.conf import Conf, logger
-from django_q.models import Schedule, Task
 from django_q.humanhash import uuid
-from django_q.brokers import get_broker
-from django_q.signals import pre_enqueue
+from django_q.models import Schedule, Task
 from django_q.queues import Queue
+from django_q.signals import pre_enqueue
+from django_q.signing import SignedPackage
 
 
 def async_task(func, *args, **kwargs):
     """Queue a task for the cluster."""
     keywords = kwargs.copy()
-    opt_keys = ('hook', 'group', 'save', 'sync', 'cached', 'ack_failure', 'iter_count', 'iter_cached', 'chain', 'broker')
+    opt_keys = (
+    'hook', 'group', 'save', 'sync', 'cached', 'ack_failure', 'iter_count', 'iter_cached', 'chain', 'broker')
     q_options = keywords.pop('q_options', {})
     # get an id
     tag = uuid()
@@ -410,7 +411,7 @@ def async_iter(func, args_iter, **kwargs):
     broker = options['broker']
     broker.cache.set('{}:{}:args'.format(broker.list_key, iter_group), SignedPackage.dumps(args_iter))
     for args in args_iter:
-        if type(args) is not tuple:
+        if not isinstance(args, tuple):
             args = (args,)
         async_task(func, *args, **options)
     return iter_group