- typo

 - do not use self in interface


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27900 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/interfaces/expandable.py

@@ -36,7 +36,7 @@ class IExpandable(Interface):
     and its expansion.
   """
 
-  def expand(self, applied_rule_id=None, force=0, activate_kw=None, **kw):
+  def expand(applied_rule_id=None, force=0, activate_kw=None, **kw):
     """
-      Expand the current Expandable class into the similation
+      Expand the current Expandable class into the simulation
     """