Moves optional import to root

django_q/__init__.py

@@ -1,6 +1,12 @@
 VERSION = (1, 2, 4)
 
-default_app_config = 'django_q.apps.DjangoQConfig'
+default_app_config = "django_q.apps.DjangoQConfig"
 
 
-__all__ = ['conf', 'cluster', 'models', 'tasks']
+__all__ = ["conf", "cluster", "models", "tasks", "croniter"]
+
+# Optional Imports
+try:
+    from croniter import croniter
+except ImportError:
+    croniter = None

django_q/admin.py

@@ -5,6 +5,7 @@ from django.utils.translation import gettext_lazy as _
 from django_q.conf import Conf
 from django_q.models import Success, Failure, Schedule, OrmQ
 from django_q.tasks import async_task
+from django_q import croniter
 
 
 class TaskAdmin(admin.ModelAdmin):
@@ -74,9 +75,7 @@ class ScheduleAdmin(admin.ModelAdmin):
     )
 
     # optional cron strings
-    try:
+    if not croniter:
-        from croniter import croniter
-    except ImportError:
         readonly_fields = ("cron",)
 
     list_filter = ("next_run", "schedule_type")

django_q/apps.py

@@ -4,7 +4,7 @@ from django_q.conf import Conf
 
 
 class DjangoQConfig(AppConfig):
-    name = 'django_q'
+    name = "django_q"
     verbose_name = Conf.LABEL
 
     def ready(self):

django_q/cluster.py

@@ -26,12 +26,7 @@ from django_q.queues import Queue
 from django_q.signals import pre_execute
 from django_q.signing import SignedPackage, BadSignature
 from django_q.status import Stat, Status
-
+from django_q import croniter
-# Optional
-try:
-    from croniter import croniter
-except ImportError:
-    croniter = None
 
 
 class Cluster:

django_q/models.py

@@ -14,12 +14,7 @@ from picklefield.fields import dbsafe_decode
 
 # Local
 from django_q.signing import SignedPackage
-
+from django_q import croniter
-# Optional
-try:
-    from croniter import croniter
-except ImportError:
-    croniter = None
 
 
 class Task(models.Model):