remove not needed imports

product/ERP5/Tool/SimulationTool.py

@@ -42,8 +42,6 @@ from Products.ERP5.Capacity.GLPK import solve
 from numpy import zeros, resize
 from DateTime import DateTime
 
-from Products.ERP5 import DeliverySolver
-from Products.ERP5 import TargetSolver
 from Products.PythonScripts.Utility import allow_class
 
 from Products.ZSQLCatalog.SQLCatalog import Query, ComplexQuery

product/ERP5/Tool/SolverTool.py

@@ -33,7 +33,6 @@ import re
 from AccessControl import ClassSecurityInfo
 from Products.ERP5Type import Permissions, interfaces
 from Products.ERP5Type.Tool.TypesTool import TypeProvider
-from Products.ERP5 import DeliverySolver
 from Products.ERP5Type.Message import translateString
 from Products.CMFCore.utils import getToolByName