[fix] fix error on task initialize

static_sitemaps/conf.py

@@ -1,11 +1,5 @@
 from django.conf import settings
 
-try:
-    from celery.schedules import crontab
-except ImportError:
-    crontab = None
-
-
 # Base sitemap config dict as stated in Django docs.
 ROOT_SITEMAP = settings.STATICSITEMAPS_ROOT_SITEMAP
 
@@ -43,11 +37,10 @@
 STORAGE_CLASS = getattr(settings, 'STATICSITEMAPS_STORAGE', 'django.core.files.storage.FileSystemStorage')
 
 # How often should the celery task be run.
-CELERY_TASK_REPETITION = getattr(settings, 'STATICSITEMAPS_REFRESH_AFTER', 60)
+CELERY_TASK_REPETITION = getattr(settings, 'STATICSITEMAPS_REFRESH_AFTER', None)
 
 # When should the celery task be run.
-CELERY_TASK_SCHEDULE = getattr(
-    settings, 'STATICSITEMAPS_REFRESH_ON', crontab(hour=0, minute=0) if crontab else None)
+CELERY_TASK_SCHEDULE = getattr(settings, 'STATICSITEMAPS_REFRESH_ON', None)
 
 # URL to serve sitemaps from.
 _url = getattr(settings, 'STATICSITEMAPS_URL', None)

static_sitemaps/tasks.py

@@ -16,11 +16,11 @@ def __init__(self):
             if conf.CELERY_TASK_REPETITION and conf.CELERY_TASK_SCHEDULE:
                 raise ValueError(
                     'You should set one setting of STATICSITEMAPS_REFRESH_AFTER or STATICSITEMAPS_REFRESH_ON')
-            if conf.CELERY_TASK_REPETITION:
-                self.run_every = timedelta(minutes=conf.CELERY_TASK_REPETITION)
-                super().__init__()
-            else:
+            if conf.CELERY_TASK_SCHEDULE:
                 self.run_every = conf.CELERY_TASK_SCHEDULE
+            else:
+                self.run_every = timedelta(minutes=(conf.CELERY_TASK_REPETITION or 60))
+                super().__init__()
 
         def run(self, **kwargs):
             generate_sitemap(verbosity=1)