diff --git a/addons/account_analytic_plans/wizard/account_crossovered_analytic.py b/addons/account_analytic_plans/wizard/account_crossovered_analytic.py
index 2974c160501..86fa1c888f5 100644
--- a/addons/account_analytic_plans/wizard/account_crossovered_analytic.py
+++ b/addons/account_analytic_plans/wizard/account_crossovered_analytic.py
@@ -45,8 +45,7 @@ class account_crossovered_analytic(osv.osv_memory):
         acc_ids = [x[0] for x in res]
 
         data = self.read(cr, uid, ids, [], context=context)[0]
-        if isinstance(data['ref'],tuple):
-            data['ref'] = data['ref'][0]
+        data['ref'] = data['ref'][0]
 
         obj_acc = self.pool.get('account.analytic.account').browse(cr, uid, data['ref'], context=context)
         name = obj_acc.name
diff --git a/addons/account_invoice_layout/report/special_message_invoice.py b/addons/account_invoice_layout/report/special_message_invoice.py
index 81298bb6a06..20943d01fe1 100644
--- a/addons/account_invoice_layout/report/special_message_invoice.py
+++ b/addons/account_invoice_layout/report/special_message_invoice.py
@@ -37,9 +37,7 @@ class account_invoice_with_message(report_sxw.rml_parse):
         self.context = context
 
     def spcl_msg(self, form):
-        msg_id = form['message']
-        if isinstance(msg_id, (tuple,list)):
-            msg_id = msg_id[0]
+        msg_id = form['message'][0]
         account_msg_data = pooler.get_pool(self.cr.dbname).get('notify.message').browse(self.cr, self.uid, msg_id)
         msg = account_msg_data.msg
         return msg
diff --git a/addons/hr_timesheet/wizard/hr_timesheet_print_employee.py b/addons/hr_timesheet/wizard/hr_timesheet_print_employee.py
index 51af2444661..12c55f6774a 100644
--- a/addons/hr_timesheet/wizard/hr_timesheet_print_employee.py
+++ b/addons/hr_timesheet/wizard/hr_timesheet_print_employee.py
@@ -50,8 +50,7 @@ class analytical_timesheet_employee(osv.osv_memory):
 
     def print_report(self, cr, uid, ids, context=None):
         data = self.read(cr, uid, ids, context=context)[0]
-        if isinstance(data['employee_id'], tuple):
-            data['employee_id'] = data['employee_id'][0]
+        data['employee_id'] = data['employee_id'][0]
         datas = {
              'ids': [],
              'model': 'hr.employee',
diff --git a/addons/point_of_sale/wizard/pos_payment.py b/addons/point_of_sale/wizard/pos_payment.py
index 6f9c2126a6d..d23ed8d0221 100644
--- a/addons/point_of_sale/wizard/pos_payment.py
+++ b/addons/point_of_sale/wizard/pos_payment.py
@@ -149,8 +149,7 @@ class pos_make_payment(osv.osv_memory):
         amount = order.amount_total - order.amount_paid
         data =  self.read(cr, uid, ids, context=context)[0]
         for m2o_field in ['product_id','pricelist_id','partner_id']:
-            if data[m2o_field] and isinstance(data[m2o_field], (list,tuple)):
-               data[m2o_field] = data[m2o_field][0]
+            data[m2o_field] = data[m2o_field][0]
         if data['is_acc']:
             amount = self.pool.get('product.product').browse(cr, uid, data['product_id'], context=context).list_price
 
diff --git a/addons/product/wizard/product_price.py b/addons/product/wizard/product_price.py
index c797efae937..bf5f4674b27 100644
--- a/addons/product/wizard/product_price.py
+++ b/addons/product/wizard/product_price.py
@@ -53,8 +53,7 @@ class product_price_list(osv.osv_memory):
         datas = {'ids': context.get('active_ids', [])}
         res = self.read(cr, uid, ids, ['price_list','qty1', 'qty2','qty3','qty4','qty5'], context=context)
         res = res and res[0] or {}
-        if isinstance(res['price_list'], (tuple,list)):
-            res['price_list'] = res['price_list'][0]
+        res['price_list'] = res['price_list'][0]
         datas['form'] = res
         return {
             'type': 'ir.actions.report.xml',
diff --git a/addons/project/wizard/project_task_delegate.py b/addons/project/wizard/project_task_delegate.py
index c7a64b0431c..ebe6fcb468f 100644
--- a/addons/project/wizard/project_task_delegate.py
+++ b/addons/project/wizard/project_task_delegate.py
@@ -105,8 +105,7 @@ class project_task_delegate(osv.osv_memory):
         task_id = context.get('active_id', False)
         task_pool = self.pool.get('project.task')
         delegate_data = self.read(cr, uid, ids, context=context)[0]
-        if isinstance(delegate_data['user_id'], tuple):
-            delegate_data['user_id'] = delegate_data['user_id'][0]
+        delegate_data['user_id'] = delegate_data['user_id'][0]
         delegate_data['name'] = tools.ustr(delegate_data['name'])
         task_pool.do_delegate(cr, uid, task_id, delegate_data, context=context)
         return {}
diff --git a/addons/project_scrum/wizard/project_scrum_backlog_create_task.py b/addons/project_scrum/wizard/project_scrum_backlog_create_task.py
index 3a13b43ae19..4b6b4d4ce31 100644
--- a/addons/project_scrum/wizard/project_scrum_backlog_create_task.py
+++ b/addons/project_scrum/wizard/project_scrum_backlog_create_task.py
@@ -35,8 +35,7 @@ class backlog_create_task(osv.osv_memory):
         ids_task = []
 
         data = self.read(cr, uid, ids, [], context=context)[0]
-        if isinstance(data['user_id'], tuple):
-            data['user_id'] = data['user_id'][0]
+        data['user_id'] = data['user_id'][0]
 
         backlogs = backlog_id.browse(cr, uid, context['active_ids'], context=context)
         result = mod_obj._get_id(cr, uid, 'project', 'view_task_search_form')