default seed should be 0

requirements.txt

@@ -13,4 +13,5 @@ django-jsonview==0.3.0
 django-celery==3.1.9
 ladon==0.8.9
 django-discover-runner==1.0
+liac-arff==2.0.1
 

workflows/models.py

@@ -215,7 +215,7 @@ class Workflow(models.Model):
             #check if we have an input
             input_seed = int(fi.outputs.all()[2].outer_input.value)
         else:
-            input_seed = rand.randint(1, 100000000)
+            input_seed = 0
 
         # Special case when reading from a DB
         input_type = input_list.__class__.__name__