date_dict is never empty. len(date_dict['query']) is a more suitable condition to check.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@15871 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/SimulationTool.py

@@ -489,7 +489,7 @@ class SimulationTool(BaseTool):
         elif at_date :
           date_dict['query'].append(at_date)
           date_dict['range'] = 'ngt'
-        if len(date_dict) :
+        if len(date_dict['query']):
           column_value_dict['date'] = date_dict
       else:
         column_value_dict['date'] = {'query': [to_date], 'range': 'ngt'}