diff --git a/base_report_to_printer/__openerp__.py b/base_report_to_printer/__openerp__.py
index 3732e1d7043..b7b5eb48992 100644
--- a/base_report_to_printer/__openerp__.py
+++ b/base_report_to_printer/__openerp__.py
@@ -81,7 +81,7 @@
     'author': 'Agile Business Group & Domsense, Pegueroles SCP, NaN',
     'website': 'http://www.agilebg.com',
     'license': 'AGPL-3',
-    "depends" : ['base', 'base_calendar'],
+    "depends": ['base', 'base_calendar'],
     'data': [
         'security/security.xml',
         'printing_data.xml',
diff --git a/base_report_to_printer/ir_report.py b/base_report_to_printer/ir_report.py
index a6364637d41..96cd1c17766 100644
--- a/base_report_to_printer/ir_report.py
+++ b/base_report_to_printer/ir_report.py
@@ -30,12 +30,11 @@
 
 from openerp.osv import orm, fields
 
-#
-# Reports
-#
 
 class report_xml(orm.Model):
-
+    """
+    Reports
+    """
 
     def set_print_options(self, cr, uid, report_id, format, context=None):
         """
@@ -79,7 +78,10 @@ def print_direct(self, cr, uid, report_id, result, format, printer, context=None
             method=True,
             ),
         'printing_printer_id': fields.many2one('printing.printer', 'Printer'),
-        'printing_action_ids': fields.one2many('printing.report.xml.action', 'report_id', 'Actions', help='This field allows configuring action and printer on a per user basis'),
+        'printing_action_ids': fields.one2many(
+            'printing.report.xml.action', 'report_id', 'Actions',
+            help='This field allows configuring action and printer on a per '
+                 'user basis'),
         }
 
     def behaviour(self, cr, uid, ids, context=None):
@@ -105,16 +107,18 @@ def behaviour(self, cr, uid, ids, context=None):
             printer = default_printer
 
             # Retrieve report default values
-            if report.property_printing_action and report.property_printing_action.type != 'user_default':
+            if (report.property_printing_action
+                    and report.property_printing_action.type != 'user_default'):
                 action = report.property_printing_action.type
             if report.printing_printer_id:
                 printer = report.printing_printer_id
 
             # Retrieve report-user specific values
-            act_ids = printing_act_obj.search(cr, uid,
-                    [('report_id', '=', report.id),
-                     ('user_id', '=', uid),
-                     ('action', '!=', 'user_default')], context=context)
+            act_ids = printing_act_obj.search(
+                cr, uid,
+                [('report_id', '=', report.id),
+                 ('user_id', '=', uid),
+                 ('action', '!=', 'user_default')], context=context)
             if act_ids:
                 user_action = printing_act_obj.behaviour(cr, uid, act_ids[0], context)
                 action = user_action['action']
diff --git a/base_report_to_printer/printing.py b/base_report_to_printer/printing.py
index 61257b9b4e7..c9e9694bf8a 100644
--- a/base_report_to_printer/printing.py
+++ b/base_report_to_printer/printing.py
@@ -23,7 +23,6 @@
 #
 ##############################################################################
 import time
-import base64
 
 import cups
 from threading import Thread
@@ -32,25 +31,53 @@
 from openerp import pooler
 from openerp.osv import orm, fields
 from openerp.tools.translate import _
-from openerp.addons.base_calendar import base_calendar
 
 
-#
-#  Printers
-#
 class printing_printer(orm.Model):
+    """
+    Printers
+    """
     _name = "printing.printer"
     _description = "Printer"
 
     _columns = {
-        'name' : fields.char('Name',size=64,required=True,select="1"),
-        'system_name': fields.char('System Name',size=64,required=True,select="1"),
-        'default':fields.boolean('Default Printer', readonly=True),
-        'status': fields.selection([('unavailable','Unavailable'),('printing','Printing'),('unknown','Unknown'),('available','Available'),('error','Error'),('server-error','Server Error')], 'Status', required=True, readonly=True),
-        'status_message': fields.char('Status Message', size=500, readonly=True),
-        'model': fields.char('Model', size=500, readonly=True),
-        'location': fields.char('Location', size=500, readonly=True),
-        'uri': fields.char('URI', size=500, readonly=True),
+        'name': fields.char(
+            'Name',
+            size=64,
+            required=True,
+            select="1"),
+        'system_name': fields.char(
+            'System Name',
+            size=64,
+            required=True,
+            select="1"),
+        'default': fields.boolean(
+            'Default Printer',
+            readonly=True),
+        'status': fields.selection(
+            [('unavailable', 'Unavailable'),
+             ('printing', 'Printing'),
+             ('unknown', 'Unknown'),
+             ('available', 'Available'),
+             ('error', 'Error'),
+             ('server-error', 'Server Error')],
+            'Status', required=True, readonly=True),
+        'status_message': fields.char(
+            'Status Message',
+            size=500,
+            readonly=True),
+        'model': fields.char(
+            'Model',
+            size=500,
+            readonly=True),
+        'location': fields.char(
+            'Location',
+            size=500,
+            readonly=True),
+        'uri': fields.char(
+            'URI',
+            size=500,
+            readonly=True),
         }
 
     _order = "name"
@@ -78,9 +105,9 @@ def update_printers_status(self, db_name, uid, context=None):
             server_error = True
 
         mapping = {
-            3 : 'available',
-            4 : 'printing',
-            5 : 'error'
+            3: 'available',
+            4: 'printing',
+            5: 'error'
         }
 
         if context is None:
@@ -96,7 +123,7 @@ def update_printers_status(self, db_name, uid, context=None):
                     status = 'server-error'
                 elif printer.system_name in printers:
                     info = printers[printer.system_name]
-                    status = mapping.get( info['printer-state'], 'unknown' )
+                    status = mapping.get(info['printer-state'], 'unknown')
                     vals = {
                         'model': info.get('printer-make-and-model', False),
                         'location': info.get('printer-location', False),
@@ -117,7 +144,6 @@ def update_printers_status(self, db_name, uid, context=None):
             self.updating = False
             self.last_update = time.time()
 
-
     def start_printer_update(self, cr, uid, context):
         self.lock.acquire()
         if self.updating:
@@ -140,7 +166,7 @@ def update(self, cr, uid, context=None):
         if not last_update or now - last_update > 10:
             self.start_printer_update(cr, uid, context)
             # Wait up to five seconds for printer status update
-            for x in range(0,5):
+            for x in range(0, 5):
                 time.sleep(1)
                 self.lock.acquire()
                 updating = self.updating
@@ -149,28 +175,32 @@ def update(self, cr, uid, context=None):
                     break
         return True
 
-    def search(self, cr, uid, args, offset=0, limit=None, order=None, context=None, count=False):
+    def search(self, cr, uid, args, offset=0, limit=None, order=None,
+               context=None, count=False):
         self.update(cr, uid, context)
-        return super(printing_printer,self).search(cr, uid, args, offset, limit, order, context, count)
+        return super(printing_printer, self
+                     ).search(cr, uid, args, offset,
+                              limit, order, context, count)
 
     def read(self, cr, uid, ids, fields=None, context=None, load='_classic_read'):
         self.update(cr, uid, context)
-        return super(printing_printer,self).read(cr, uid, ids, fields, context, load)
+        return super(printing_printer, self
+                     ).read(cr, uid, ids, fields, context, load)
 
     def browse(self, cr, uid, ids, context=None):
         self.update(cr, uid, context)
-        return super(printing_printer,self).browse(cr, uid, ids, context)
+        return super(printing_printer, self).browse(cr, uid, ids, context)
 
     def set_default(self, cr, uid, ids, context):
         if not ids:
             return
-        default_ids= self.search(cr, uid,[('default','=',True)])
-        self.write(cr, uid, default_ids, {'default':False}, context)
-        self.write(cr, uid, ids[0], {'default':True}, context)
+        default_ids = self.search(cr, uid, [('default', '=', True)])
+        self.write(cr, uid, default_ids, {'default': False}, context)
+        self.write(cr, uid, ids[0], {'default': True}, context)
         return True
 
-    def get_default(self,cr,uid,context):
-        printer_ids = self.search(cr, uid,[('default','=',True)])
+    def get_default(self, cr, uid, context):
+        printer_ids = self.search(cr, uid, [('default', '=', True)])
         if printer_ids:
             return printer_ids[0]
         return False
@@ -182,11 +212,12 @@ def get_default(self,cr,uid,context):
 
 def _available_action_types(self, cr, uid, context=None):
     return [
-        ('server',_('Send to Printer')),
-        ('client',_('Send to Client')),
-        ('user_default',_("Use user's defaults")),
+        ('server', _('Send to Printer')),
+        ('client', _('Send to Client')),
+        ('user_default', _("Use user's defaults")),
         ]
 
+
 class printing_action(orm.Model):
     _name = 'printing.action'
     _description = 'Print Job Action'
@@ -195,5 +226,3 @@ class printing_action(orm.Model):
         'name': fields.char('Name', size=256, required=True),
         'type': fields.selection(_available_action_types, 'Type', required=True),
         }
-
-# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
diff --git a/base_report_to_printer/report_service.py b/base_report_to_printer/report_service.py
index 6dfa956d481..a736a1004b3 100644
--- a/base_report_to_printer/report_service.py
+++ b/base_report_to_printer/report_service.py
@@ -27,6 +27,7 @@
 from openerp import pooler
 from openerp.addons.base_calendar import base_calendar
 
+
 class virtual_report_spool(base_calendar.virtual_report_spool):
 
     def exp_report(self, db, uid, object, ids, datas=None, context=None):
@@ -41,22 +42,26 @@ def exp_report_get(self, db, uid, report_id):
             pool = pooler.get_pool(cr.dbname)
             # First of all load report defaults: name, action and printer
             report_obj = pool.get('ir.actions.report.xml')
-            report = report_obj.search(cr,uid,[('report_name','=',self._reports[report_id]['report_name'])])
+            report = report_obj.search(
+                cr, uid, [('report_name', '=', self._reports[report_id]['report_name'])])
             if report:
-                report = report_obj.browse(cr,uid,report[0])
-                name = report.name
+                report = report_obj.browse(cr, uid, report[0])
                 data = report.behaviour()[report.id]
                 action = data['action']
                 printer = data['printer']
                 if action != 'client':
-                    if (self._reports and self._reports.get(report_id, False) and self._reports[report_id].get('result', False)
-                        and self._reports[report_id].get('format', False)):
-                        report_obj.print_direct(cr, uid, report.id, base64.encodestring(self._reports[report_id]['result']),
+                    if (self._reports and self._reports.get(report_id, False)
+                            and self._reports[report_id].get('result', False)
+                            and self._reports[report_id].get('format', False)):
+                        report_obj.print_direct(
+                            cr, uid, report.id, base64.encodestring(self._reports[report_id]['result']),
                             self._reports[report_id]['format'], printer)
                         # XXX "Warning" removed as it breaks the workflow
                         # it would be interesting to have a dialog box to confirm if we really want to print
                         # in this case it must be with a by pass parameter to allow massive impression
-                        #raise osv.except_osv(_('Printing...'), _('Document sent to printer %s') % (printer,))
+                        # raise osv.except_osv(
+                        #     _('Printing...'),
+                        #     _('Document sent to printer %s') % (printer,))
 
         except:
             cr.rollback()
diff --git a/base_report_to_printer/users.py b/base_report_to_printer/users.py
index f27790486e9..1aa546e172d 100644
--- a/base_report_to_printer/users.py
+++ b/base_report_to_printer/users.py
@@ -26,17 +26,19 @@
 
 from printing import _available_action_types
 
-#
-# Users
-#
+
 class res_users(orm.Model):
+    """
+    Users
+    """
     _name = "res.users"
     _inherit = "res.users"
 
     def _user_available_action_types(self, cr, uid, context=None):
         if context is None:
-            context={}
-        return [x for x in _available_action_types(self, cr, uid, context) if x[0] != 'user_default']
+            context = {}
+        return [x for x in _available_action_types(self, cr, uid, context)
+                if x[0] != 'user_default']
 
     _columns = {
         'printing_action': fields.selection(_user_available_action_types, 'Printing Action'),
diff --git a/base_report_to_printer/wizard/__init__.py b/base_report_to_printer/wizard/__init__.py
index 926dc4399ca..05d46853dba 100644
--- a/base_report_to_printer/wizard/__init__.py
+++ b/base_report_to_printer/wizard/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 ##############################################################################
-#    
+#
 #    Copyright (c) 2009 Albert Cervera i Areny <albert@nan-tic.com>
 #    Copyright (C) 2011 Agile Business Group sagl (<http://www.agilebg.com>)
 #    Copyright (C) 2011 Domsense srl (<http://www.domsense.com>)
diff --git a/base_report_to_printer/wizard/update_printers.py b/base_report_to_printer/wizard/update_printers.py
index 43ccbd9d2d6..d599a0317f0 100644
--- a/base_report_to_printer/wizard/update_printers.py
+++ b/base_report_to_printer/wizard/update_printers.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 ##############################################################################
-#    
+#
 #    Copyright (c) 2009 Albert Cervera i Areny <albert@nan-tic.com>
 #    Copyright (C) 2011 Agile Business Group sagl (<http://www.agilebg.com>)
 #    Copyright (C) 2011 Domsense srl (<http://www.domsense.com>)
@@ -37,14 +37,16 @@ def action_cancel(self, cr, uid, ids, context=None):
 
     def action_ok(self, cr, uid, ids, context=None):
         # Update Printers
+        printer_obj = self.pool['printing.printer']
         try:
             connection = cups.Connection()
             printers = connection.getPrinters()
         except:
             return {}
 
-        ids = self.pool.get('printing.printer').search(cr, uid, [('system_name','in',printers.keys())], context=context)
-        for printer in self.pool.get('printing.printer').browse(cr, uid, ids, context=context):
+        ids = printer_obj.search(
+            cr, uid, [('system_name', 'in', printers.keys())], context=context)
+        for printer in printer_obj.browse(cr, uid, ids, context=context):
             del printers[printer.system_name]
 
         for name in printers:
diff --git a/pingen/__init__.py b/pingen/__init__.py
index a00e542ea74..4ff2feaecd5 100644
--- a/pingen/__init__.py
+++ b/pingen/__init__.py
@@ -23,4 +23,3 @@
 import pingen
 import pingen_document
 import res_company
-
diff --git a/pingen/pingen.py b/pingen/pingen.py
index ecb8c2e0a66..475407b39ee 100644
--- a/pingen/pingen.py
+++ b/pingen/pingen.py
@@ -132,7 +132,7 @@ def _send(self, method, endpoint, **kwargs):
 
         if response.json['error']:
             raise APIError(
-                    "%s: %s" % (response.json['errorcode'], response.json['errormessage']))
+                "%s: %s" % (response.json['errorcode'], response.json['errormessage']))
 
         return response
 
@@ -169,10 +169,10 @@ def push_document(self, filename, filestream, send=None, speed=None, color=None)
         multipart, content_type = encode_multipart_formdata(formdata)
 
         response = self._send(
-                self.session.post,
-                'document/upload',
-                headers={'Content-Type': content_type},
-                data=multipart)
+            self.session.post,
+            'document/upload',
+            headers={'Content-Type': content_type},
+            data=multipart)
 
         rjson = response.json
 
@@ -198,10 +198,10 @@ def send_document(self, document_id, speed=None, color=None):
             'color': color,
             }
         response = self._send(
-                self.session.post,
-                'document/send',
-                params={'id': document_id},
-                data={'data': json.dumps(data)})
+            self.session.post,
+            'document/send',
+            params={'id': document_id},
+            data={'data': json.dumps(data)})
 
         return response.json['id']
 
@@ -212,9 +212,9 @@ def post_infos(self, post_id):
         :return: dict of infos of the post
         """
         response = self._send(
-                self.session.get,
-                'post/get',
-                params={'id': post_id})
+            self.session.get,
+            'post/get',
+            params={'id': post_id})
 
         return response.json['item']
 
@@ -225,4 +225,3 @@ def is_posted(post_infos):
         :param dict post_infos: post infos returned by `post_infos`
         """
         return post_infos['status'] == 200
-
diff --git a/pingen/pingen_document.py b/pingen/pingen_document.py
index b613327f724..ac59a028f67 100644
--- a/pingen/pingen_document.py
+++ b/pingen/pingen_document.py
@@ -28,7 +28,7 @@
 from openerp.tools.translate import _
 from openerp import pooler, tools
 from .pingen import APIError, ConnectionError, POST_SENDING_STATUS, \
-        pingen_datetime_to_utc
+    pingen_datetime_to_utc
 
 _logger = logging.getLogger(__name__)
 
@@ -94,7 +94,7 @@ class pingen_document(orm.Model):
     def _get_pingen_session(self, cr, uid, context=None):
         """ Returns a pingen session for a user """
         company = self.pool.get('res.users').browse(
-                cr, uid, uid, context=context).company_id
+            cr, uid, uid, context=context).company_id
         return self.pool.get('res.company')._pingen(cr, uid, company, context=context)
 
     def _push_to_pingen(self, cr, uid, document, pingen=None, context=None):
@@ -105,7 +105,7 @@ def _push_to_pingen(self, cr, uid, document, pingen=None, context=None):
         attachment_obj = self.pool.get('ir.attachment')
 
         decoded_document = attachment_obj._decoded_content(
-                cr, uid, document.attachment_id, context=context)
+            cr, uid, document.attachment_id, context=context)
 
         if pingen is None:
             pingen = self._get_pingen_session(cr, uid, context=context)
@@ -116,16 +116,16 @@ def _push_to_pingen(self, cr, uid, document, pingen=None, context=None):
                 document.pingen_send,
                 document.pingen_speed,
                 document.pingen_color)
-        except ConnectionError as e:
+        except ConnectionError:
             _logger.exception(
-                    'Connection Error when pushing Pingen Document %s to %s.' %
-                    (document.id, pingen.url))
+                'Connection Error when pushing Pingen Document %s to %s.' %
+                (document.id, pingen.url))
             raise
 
-        except APIError as e:
+        except APIError:
             _logger.error(
-                    'API Error when pushing Pingen Document %s to %s.' %
-                    (document.id, pingen.url))
+                'API Error when pushing Pingen Document %s to %s.' %
+                (document.id, pingen.url))
             raise
 
         error = False
@@ -174,8 +174,8 @@ def push_to_pingen(self, cr, uid, ids, context=None):
 
                 except:
                     _logger.exception(
-                           'Unexcepted Error when updating the status of pingen.document %s: ' %
-                           document.id)
+                        'Unexcepted Error when updating the status of pingen.document %s: ' %
+                        document.id)
                     raise osv.except_osv(
                         _('Error'),
                         _('Unexcepted Error when updating the status of Document %s') % document.name)
@@ -263,13 +263,13 @@ def _ask_pingen_send(self, cr, uid, document, pingen, context=None):
                 document.pingen_id,
                 document.pingen_speed,
                 document.pingen_color)
-        except ConnectionError as e:
+        except ConnectionError:
             _logger.exception('Connection Error when asking for sending Pingen Document %s to %s.' %
-                    (document.id, pingen.url))
+                              (document.id, pingen.url))
             raise
-        except APIError as e:
+        except APIError:
             _logger.exception('API Error when asking for sending Pingen Document %s to %s.' %
-                    (document.id, pingen.url))
+                              (document.id, pingen.url))
             raise
 
         document.write(
@@ -306,8 +306,8 @@ def ask_pingen_send(self, cr, uid, ids, context=None):
 
                 except:
                     _logger.exception(
-                           'Unexcepted Error when updating the status of pingen.document %s: ' %
-                           document.id)
+                        'Unexcepted Error when updating the status of pingen.document %s: ' %
+                        document.id)
                     raise osv.except_osv(
                         _('Error'),
                         _('Unexcepted Error when updating the status of Document %s') % document.name)
@@ -323,24 +323,24 @@ def _update_post_infos(self, cr, uid, document, pingen, context=None):
 
         try:
             post_infos = pingen.post_infos(document.post_id)
-        except ConnectionError as e:
+        except ConnectionError:
             _logger.exception(
-                    'Connection Error when asking for '
-                    'sending Pingen Document %s to %s.' %
-                    (document.id, pingen.url))
+                'Connection Error when asking for '
+                'sending Pingen Document %s to %s.' %
+                (document.id, pingen.url))
             raise
-        except APIError as e:
+        except APIError:
             _logger.exception(
-                    'API Error when asking for sending Pingen Document %s to %s.' %
-                    (document.id, pingen.url))
+                'API Error when asking for sending Pingen Document %s to %s.' %
+                (document.id, pingen.url))
             raise
 
         currency_ids = self.pool.get('res.currency').search(
-                cr, uid, [('name', '=', post_infos['currency'])], context=context)
+            cr, uid, [('name', '=', post_infos['currency'])], context=context)
         country_ids = self.pool.get('res.country').search(
-                cr, uid, [('code', '=', post_infos['country'])], context=context)
+            cr, uid, [('code', '=', post_infos['country'])], context=context)
 
-        send_date = pingen_datetime_to_utc(infos['date'])
+        send_date = pingen_datetime_to_utc(post_infos['date'])
 
         vals = {
             'post_status': POST_SENDING_STATUS[post_infos['status']],
@@ -369,9 +369,9 @@ def _update_post_infos_cron(self, cr, uid, ids, context=None):
         """
         if not ids:
             ids = self.search(
-                    cr, uid,
-                    [('state', '=', 'sendcenter')],
-                    context=context)
+                cr, uid,
+                [('state', '=', 'sendcenter')],
+                context=context)
 
         with closing(pooler.get_db(cr.dbname).cursor()) as loc_cr, \
                 self._get_pingen_session(cr, uid, context=context) as session:
@@ -417,10 +417,9 @@ def update_post_infos(self, cr, uid, ids, context=None):
 
                 except:
                     _logger.exception(
-                           'Unexcepted Error when updating the status of pingen.document %s: ' %
-                           document.id)
+                        'Unexcepted Error when updating the status of pingen.document %s: ' %
+                        document.id)
                     raise osv.except_osv(
                         _('Error'),
                         _('Unexcepted Error when updating the status of Document %s') % document.name)
         return True
-
diff --git a/pingen/res_company.py b/pingen/res_company.py
index c8e2260a14a..ad0c2c88771 100644
--- a/pingen/res_company.py
+++ b/pingen/res_company.py
@@ -23,6 +23,7 @@
 from openerp.osv.orm import browse_record
 from .pingen import Pingen
 
+
 class res_company(orm.Model):
 
     _inherit = 'res.company'
@@ -39,4 +40,3 @@ def _pingen(self, cr, uid, company, context=None):
         if not isinstance(company, browse_record):
             company = self.browse(cr, uid, company, context=context)
         return Pingen(company.pingen_token, staging=company.pingen_staging)
-
diff --git a/pingen_document/__init__.py b/pingen_document/__init__.py
index b35b46c1133..414def05cda 100644
--- a/pingen_document/__init__.py
+++ b/pingen_document/__init__.py
@@ -18,4 +18,3 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 ##############################################################################
-
diff --git a/pingen_document/__openerp__.py b/pingen_document/__openerp__.py
index ff4d1dfa5f8..fb113c3592c 100644
--- a/pingen_document/__openerp__.py
+++ b/pingen_document/__openerp__.py
@@ -20,14 +20,14 @@
 ##############################################################################
 
 {
-    'name' : 'pingen.com integration (document)',
-    'version' : '1.0',
-    'author' : 'Camptocamp',
+    'name': 'pingen.com integration (document)',
+    'version': '1.0',
+    'author': 'Camptocamp',
     'maintainer': 'Camptocamp',
     'license': 'AGPL-3',
     'category': 'Reporting',
     'complexity': 'easy',
-    'depends' : ['document', 'pingen'],
+    'depends': ['document', 'pingen'],
     'description': """
 Glue module between the `pingen` and the `document` modules.
 """,
diff --git a/printer_tray/ir_report.py b/printer_tray/ir_report.py
index 4230d575e16..6181053cc59 100644
--- a/printer_tray/ir_report.py
+++ b/printer_tray/ir_report.py
@@ -49,10 +49,10 @@ def set_print_options(self, cr, uid, report_id, format, context=None):
 
         # Retrieve report-user specific values
         act_ids = printing_act_obj.search(
-                cr, uid,
-                [('report_id', '=', report.id),
-                 ('user_id', '=', uid),
-                 ('action', '!=', 'user_default')], context=context)
+            cr, uid,
+            [('report_id', '=', report.id),
+             ('user_id', '=', uid),
+             ('action', '!=', 'user_default')], context=context)
         if act_ids:
             user_action = printing_act_obj.browse(cr, uid, act_ids[0], context=context)
             if user_action.tray_id: