prevent to show all level after click compute on cycle item

netforce_clinic/models/cycle_item.py

@@ -268,9 +268,7 @@ class CycleItem(Model):
                 'op': line.op or "",
                 'formular': line.formular or "",
             }
-            
         lines=[]
-        print("="*20)
         total_a,total_b=0,0
         for level_id, value in levels.items():
             qty=value['total']
@@ -293,6 +291,9 @@ class CycleItem(Model):
                 b=(qty*var_b)*sign
                 b_str=(str(b) if b else "")
                 total_b+=b
+            else:
+                # XXX prevent to show all level if not configuration from setting
+                continue
 
             fml=''.join([a_str, op_str, b_str])
             lines.append(('create',{