set account_id optional in account_statement_base_completion instead of account_statement_base_import

account_statement_base_completion/statement.py

@@ -397,6 +397,8 @@ class AccountStatementLine(orm.Model):
             "Auto-Completed",
             help="When this checkbox is ticked, the auto-completion "
                  "process/button will ignore this line."),
+        # Set account_id field as optional by removing required option.
+        'account_id': fields.many2one('account.account', 'Account'),
     }
 
     _defaults = {

account_statement_base_import/statement.py

@@ -233,16 +233,3 @@ class AccountStatementProfil(Model):
             raise osv.except_osv(_("Statement import error"),
                                  _("The statement cannot be created: %s") % st)
         return statement_id
-        
-    
-class AccountBankStatementLine(Model):
-    _inherit = "account.bank.statement.line"
-
-    _columns = { 
-        'account_id': fields.many2one('account.account','Account'),
-    }   
-
-    _defaults = {
-        'account_id': False,
-    }
-