some chunk management automation

[redakcja.git] / apps / dvcs / models.py

diff --git a/apps/dvcs/models.py b/apps/dvcs/models.py
index 5ce00c0..dddbf3a 100644 (file)
--- a/apps/dvcs/models.py
+++ b/apps/dvcs/models.py
@@ -240,7 +240,7 @@ class Document(models.Model):
         return rev if rev is not None else -1
 
     def at_revision(self, rev):
-        if rev:
+        if rev is not None:
             return self.change_set.get(revision=rev)
         else:
             return self.head