now solvers are located in portal_solvers instead of portal_types.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@36689 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/solver.py

@@ -45,4 +45,4 @@ class SolverMixin:
   # Implementation of ISolver
 
   def _getPortalTypeValue(self):
-    return self.getPortalObject().portal_types._getOb(self.getPortalType())
+    return self.getPortalObject().portal_solvers._getOb(self.getPortalType())