is_active_today should be only be triggered when new revisions are made

apps/jetpack/models.py

@@ -1471,7 +1471,7 @@ class Package(BaseModel, SearchMixin):
 
     # activity
     year_of_activity = models.CharField(max_length=365, default='0'*365)
-    is_active_today = models.BooleanField(default=False, blank=True)
+    is_active_today = models.BooleanField(default=False)
 
     class Meta:
         " Set the ordering of objects "
@@ -2239,8 +2239,10 @@ def index_package(instance, **kwargs):
 post_save.connect(index_package, sender=Package)
 
 def mark_active_today(instance, **kw):
-    instance.is_active_today = True
-pre_save.connect(mark_active_today, sender=Package)
+    if instance.package:
+        instance.package.is_active_today = True
+        instance.package.save()
+pre_save.connect(mark_active_today, sender=PackageRevision)
 
 unindex_package = lambda instance, **kwargs: instance.remove_from_index()
 post_delete.connect(unindex_package, sender=Package)