feed fix

[redakcja.git] / apps / catalogue / models / book.py

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index 7154775..89c6267 100755 (executable)
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -271,7 +271,8 @@ class Book(models.Model):
     def get_on_track(self):
         if self.published:
             return -1
-        stages = [ch.stage.ordering for ch in self if ch.stage is not None]
+        stages = [ch.stage.ordering if ch.stage is not None else 0
+                    for ch in self]
         if not len(stages):
             return 0
         return min(stages)