double check if poster does not exist if it was created async

pandora/annotation/models.py

@@ -19,7 +19,7 @@ from changelog.models import Changelog
 from item.utils import sort_string
 import managers
 import utils
-from tasks import update_matches, update_matches, update_item
+from tasks import update_matches, update_item
 
 
 def get_super_matches(obj, model):

pandora/item/views.py

@@ -708,6 +708,16 @@ def poster(request, id, size=None):
     item = get_object_or_404(models.Item, itemId=id)
     if not item.access(request.user):
         return HttpResponseForbidden()
+    if not item.poster:
+        poster_path = os.path.join(settings.MEDIA_ROOT, item.path('poster.jpg'))
+        if os.path.exists(poster_path):
+            item.poster.name = item.path('poster.jpg')
+            models.Item.objects.filter(pk=item.id).update(
+                poster=item.poster.name,
+                poster_height=item.poster.height,
+                poster_width=item.poster.width,
+                icon=item.icon.name
+            )
     if item.poster:
         return image_to_response(item.poster, size)
     else: