Chore: Flake8, isort and Black (#40)

django_q/models.py

@@ -15,6 +15,7 @@ from picklefield.fields import dbsafe_decode
 # Local
 from django_q.conf import croniter
 from django_q.signing import SignedPackage
+
 from .utils import get_func_repr
 
 
@@ -229,7 +230,6 @@ class Schedule(models.Model):
     last_run.allow_tags = True
     last_run.short_description = _("last_run")
 
-
     class Meta:
         app_label = "django_q"
         verbose_name = _("Scheduled task")