diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index 6873508023f..95465bf466c 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -37,12 +37,12 @@ class stock_incoterms(osv.osv):
     _name = "stock.incoterms"
     _description = "Incoterms"
     _columns = {
-        'name': fields.char('Name', size=64, required=True,help="Incoterms are series of sales terms.They are used to divide transaction costs and responsibilities between buyer and seller and reflect state-of-the-art transportation practices."),
-        'code': fields.char('Code', size=3, required=True,help="Code for Incoterms"),
+        'name': fields.char('Name', size=64, required=True, help="Incoterms are series of sales terms.They are used to divide transaction costs and responsibilities between buyer and seller and reflect state-of-the-art transportation practices."),
+        'code': fields.char('Code', size=3, required=True, help="Code for Incoterms"),
         'active': fields.boolean('Active', help="If the active field is set to true, it will allow you to hide the incoterms without removing it."),
     }
     _defaults = {
-        'active': lambda *a: True,
+        'active': True,
     }
 
 stock_incoterms()
@@ -52,11 +52,12 @@ class stock_journal(osv.osv):
     _description = "Stock Journal"
     _columns = {
         'name': fields.char('Stock Journal', size=32, required=True),
-        'user_id': fields.many2one('res.users','Responsible'),
+        'user_id': fields.many2one('res.users', 'Responsible'),
     }
     _defaults = {
-        'user_id': lambda s,c,u,ctx: u
+        'user_id': lambda s, c, u, ctx: u
     }
+
 stock_journal()
 
 #----------------------------------------------------------
@@ -70,22 +71,24 @@ class stock_location(osv.osv):
     _parent_order = 'id'
     _order = 'parent_left'
 
-    def name_get(self, cr, uid, ids, context={}):
+    def name_get(self, cr, uid, ids, context=None):
+        res = []
+        if context is None:
+            context = {}
         if not len(ids):
             return []
-        reads = self.read(cr, uid, ids, ['name','location_id'], context)
-        res = []
+        reads = self.read(cr, uid, ids, ['name','location_id'], context=context)
         for record in reads:
             name = record['name']
             if context.get('full',False):
                 if record['location_id']:
-                    name = record['location_id'][1]+' / '+name
+                    name = record['location_id'][1] + ' / ' + name
                 res.append((record['id'], name))
             else:
                 res.append((record['id'], name))
         return res
 
-    def _complete_name(self, cr, uid, ids, name, args, context):
+    def _complete_name(self, cr, uid, ids, name, args, context=None):
         """ Forms complete name of location from parent location to child location.
         @return: Dictionary of values
         """
@@ -100,7 +103,7 @@ class stock_location(osv.osv):
             res[m.id] = _get_one_full_name(m)
         return res
 
-    def _product_qty_available(self, cr, uid, ids, field_names, arg, context={}):
+    def _product_qty_available(self, cr, uid, ids, field_names, arg, context=None):
         """ Finds real and virtual quantity for product available at particular location.
         @return: Dictionary of values
         """
@@ -119,7 +122,7 @@ class stock_location(osv.osv):
                 res[loc]['stock_virtual'] = prod.virtual_available
         return res
 
-    def product_detail(self, cr, uid, id, field, context={}):
+    def product_detail(self, cr, uid, id, field, context=None):
         """ Finds detail of product like price type, currency and then calculates its price.
         @param field: Field name
         @return: Calculated price
@@ -136,7 +139,7 @@ class stock_location(osv.osv):
             # Choose the right filed standard_price to read
             # Take the user company
             price_type_id = self.pool.get('res.users').browse(cr,uid,uid).company_id.property_valuation_price_type.id
-            pricetype = self.pool.get('product.price.type').browse(cr, uid, price_type_id)
+            pricetype = self.pool.get('product.price.type').browse(cr, uid, price_type_id, context=context)
             for r in result:
                 c = (context or {}).copy()
                 c['location'] = id
@@ -145,11 +148,10 @@ class stock_location(osv.osv):
 
                 context['currency_id'] = self.pool.get('res.users').browse(cr,uid,uid).company_id.currency_id.id
                 amount_unit = self.pool.get('product.product').browse(cr,uid,r['product_id']).price_get(pricetype.field, context)[r['product_id']]
-
                 final_value += (product[field_to_read] * amount_unit)
         return final_value
 
-    def _product_value(self, cr, uid, ids, field_names, arg, context={}):
+    def _product_value(self, cr, uid, ids, field_names, arg, context=None):
         """ Calculates real and virtual stock value of a product.
         @param field_names: Name of field
         @return: Dictionary of values
@@ -209,20 +211,20 @@ class stock_location(osv.osv):
         'scrap_location': fields.boolean('Scrap Location', help='Check this box if the current location is a place for destroyed items'),
     }
     _defaults = {
-        'active': lambda *a: 1,
-        'usage': lambda *a: 'internal',
-        'allocation_method': lambda *a: 'fifo',
-        'chained_location_type': lambda *a: 'none',
-        'chained_auto_packing': lambda *a: 'manual',
-        'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'stock.location', context=c),
-        'posx': lambda *a: 0,
-        'posy': lambda *a: 0,
-        'posz': lambda *a: 0,
-        'icon': lambda *a: False,
-        'scrap_location': lambda *a: False,
+        'active': 1,
+        'usage': 'internal',
+        'allocation_method': 'fifo',
+        'chained_location_type': 'none',
+        'chained_auto_packing': 'manual',
+        'company_id': lambda self, cr, uid, c: self.pool.get('res.company')._company_default_get(cr, uid, 'stock.location', context=c),
+        'posx': 0,
+        'posy': 0,
+        'posz': 0,
+        'icon': False,
+        'scrap_location': False,
     }
 
-    def chained_location_get(self, cr, uid, location, partner=None, product=None, context={}):
+    def chained_location_get(self, cr, uid, location, partner=None, product=None, context=None):
         """ Finds chained location
         @param location: Location id
         @param partner: Partner id
@@ -239,7 +241,7 @@ class stock_location(osv.osv):
             return result, location.chained_auto_packing, location.chained_delay, location.chained_journal_id and location.chained_journal_id.id or False, location.chained_company_id and location.chained_company_id.id or False, location.chained_picking_type
         return result
 
-    def picking_type_get(self, cr, uid, from_location, to_location, context={}):
+    def picking_type_get(self, cr, uid, from_location, to_location, context=None):
         """ Gets type of picking.
         @param from_location: Source location
         @param to_location: Destination location
@@ -248,14 +250,12 @@ class stock_location(osv.osv):
         result = 'internal'
         if (from_location.usage=='internal') and (to_location and to_location.usage in ('customer', 'supplier')):
             result = 'delivery'
-        elif (from_location.usage in ('supplier', 'customer')) and (to_location.usage=='internal'):
+        elif (from_location.usage in ('supplier', 'customer')) and (to_location.usage == 'internal'):
             result = 'in'
         return result
 
-    def _product_get_all_report(self, cr, uid, ids, product_ids=False,
-            context=None):
-        return self._product_get_report(cr, uid, ids, product_ids, context,
-                recursive=True)
+    def _product_get_all_report(self, cr, uid, ids, product_ids=False, context=None):
+        return self._product_get_report(cr, uid, ids, product_ids, context, recursive=True)
 
     def _product_get_report(self, cr, uid, ids, product_ids=False,
             context=None, recursive=False):
@@ -416,7 +416,7 @@ class stock_tracking(osv.osv):
         return (10 - (sum % 10)) % 10
     checksum = staticmethod(checksum)
 
-    def make_sscc(self, cr, uid, context={}):
+    def make_sscc(self, cr, uid, context=None):
         sequence = self.pool.get('ir.sequence').get(cr, uid, 'stock.lot.tracking')
         return sequence + str(self.checksum(sequence))
 
@@ -428,9 +428,9 @@ class stock_tracking(osv.osv):
         'date': fields.datetime('Created Date', required=True),
     }
     _defaults = {
-        'active': lambda *a: 1,
+        'active': 1,
         'name': make_sscc,
-        'date': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
+        'date': time.strftime('%Y-%m-%d %H:%M:%S'),
     }
 
     def name_search(self, cr, user, name, args=None, operator='ilike', context=None, limit=100):
@@ -442,7 +442,7 @@ class stock_tracking(osv.osv):
         ids += self.search(cr, user, [('name', operator, name)]+ args, limit=limit, context=context)
         return self.name_get(cr, user, ids, context)
 
-    def name_get(self, cr, uid, ids, context={}):
+    def name_get(self, cr, uid, ids, context=None):
         if not len(ids):
             return []
         res = [(r['id'], r['name']+' ['+(r['serial'] or '')+']') for r in self.read(cr, uid, ids, ['name', 'serial'], context)]
@@ -461,7 +461,7 @@ class stock_picking(osv.osv):
     _name = "stock.picking"
     _description = "Picking List"
 
-    def _set_maximum_date(self, cr, uid, ids, name, value, arg, context):
+    def _set_maximum_date(self, cr, uid, ids, name, value, arg, context=None):
         """ Calculates planned date if it is greater than 'value'.
         @param name: Name of field
         @param value: Value of field
@@ -483,7 +483,7 @@ class stock_picking(osv.osv):
             cr.execute(sql_str)
         return True
 
-    def _set_minimum_date(self, cr, uid, ids, name, value, arg, context):
+    def _set_minimum_date(self, cr, uid, ids, name, value, arg, context=None):
         """ Calculates planned date if it is less than 'value'.
         @param name: Name of field
         @param value: Value of field
@@ -494,7 +494,7 @@ class stock_picking(osv.osv):
             return False
         if isinstance(ids, (int, long)):
             ids = [ids]
-        for pick in self.browse(cr, uid, ids, context):
+        for pick in self.browse(cr, uid, ids, context=context):
             sql_str = """update stock_move set
                     date_planned='%s'
                 where
@@ -504,7 +504,7 @@ class stock_picking(osv.osv):
             cr.execute(sql_str)
         return True
 
-    def get_min_max_date(self, cr, uid, ids, field_name, arg, context={}):
+    def get_min_max_date(self, cr, uid, ids, field_name, arg, context=None):
         """ Finds minimum and maximum dates for picking.
         @return: Dictionary of values
         """
@@ -587,16 +587,16 @@ class stock_picking(osv.osv):
     }
     _defaults = {
         'name': lambda self, cr, uid, context: '/',
-        'active': lambda *a: 1,
-        'state': lambda *a: 'draft',
-        'move_type': lambda *a: 'direct',
-        'type': lambda *a: 'in',
-        'invoice_state': lambda *a: 'none',
-        'date': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
-        'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'stock.picking', context=c)
+        'active': 1,
+        'state': 'draft',
+        'move_type': 'direct',
+        'type': 'in',
+        'invoice_state': 'none',
+        'date': time.strftime('%Y-%m-%d %H:%M:%S'),
+        'company_id': lambda self, cr, uid, c: self.pool.get('res.company')._company_default_get(cr, uid, 'stock.picking', context=c)
     }
 
-    def copy(self, cr, uid, id, default=None, context={}):
+    def copy(self, cr, uid, id, default=None, context=None):
         if default is None:
             default = {}
         default = default.copy()
@@ -604,16 +604,15 @@ class stock_picking(osv.osv):
         if ('name' not in default) or (picking_obj.name=='/'):
             seq_obj_name =  'stock.picking.' + picking_obj.type
             default['name'] = self.pool.get('ir.sequence').get(cr, uid, seq_obj_name)
-
         return super(stock_picking, self).copy(cr, uid, id, default, context)
 
-    def onchange_partner_in(self, cr, uid, context, partner_id=None):
+    def onchange_partner_in(self, cr, uid, context=None, partner_id=None):
         return {}
 
-    def action_explode(self, cr, uid, moves, context={}):
+    def action_explode(self, cr, uid, moves, context=None):
         return moves
 
-    def action_confirm(self, cr, uid, ids, context={}):
+    def action_confirm(self, cr, uid, ids, context=None):
         """ Confirms picking.
         @return: True
         """
@@ -625,7 +624,7 @@ class stock_picking(osv.osv):
                     todo.append(r.id)
         todo = self.action_explode(cr, uid, todo, context)
         if len(todo):
-            self.pool.get('stock.move').action_confirm(cr, uid, todo, context)
+            self.pool.get('stock.move').action_confirm(cr, uid, todo, context=context)
         return True
 
     def test_auto_picking(self, cr, uid, ids):
@@ -1191,7 +1190,7 @@ stock_picking()
 
 
 class stock_production_lot(osv.osv):
-    def name_get(self, cr, uid, ids, context={}):
+    def name_get(self, cr, uid, ids, context=None):
         if not ids:
             return []
         reads = self.read(cr, uid, ids, ['name', 'prefix', 'ref'], context)
@@ -1209,7 +1208,7 @@ class stock_production_lot(osv.osv):
     _name = 'stock.production.lot'
     _description = 'Production lot'
 
-    def _get_stock(self, cr, uid, ids, field_name, arg, context={}):
+    def _get_stock(self, cr, uid, ids, field_name, arg, context=None):
         """ Gets stock of products for locations
         @return: Dictionary of values
         """
@@ -1233,7 +1232,7 @@ class stock_production_lot(osv.osv):
             res.update(dict(cr.fetchall()))
         return res
 
-    def _stock_search(self, cr, uid, obj, name, args, context):
+    def _stock_search(self, cr, uid, obj, name, args, context=None):
         """ Searches Ids of products
         @return: Ids of locations
         """
@@ -1261,7 +1260,7 @@ class stock_production_lot(osv.osv):
         'company_id': fields.many2one('res.company','Company',select=1),
     }
     _defaults = {
-        'date': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
+        'date':  time.strftime('%Y-%m-%d %H:%M:%S'),
         'name': lambda x, y, z, c: x.pool.get('ir.sequence').get(y, z, 'stock.lot.serial'),
         'product_id': lambda x, y, z, c: c.get('product_id', False),
     }
@@ -1287,7 +1286,7 @@ class stock_production_lot_revision(osv.osv):
 
     _defaults = {
         'author_id': lambda x, y, z, c: z,
-        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'date': time.strftime('%Y-%m-%d'),
     }
 
 stock_production_lot_revision()
@@ -1302,7 +1301,7 @@ stock_production_lot_revision()
 #
 class stock_move(osv.osv):
 
-    def _getSSCC(self, cr, uid, context={}):
+    def _getSSCC(self, cr, uid, context=None):
         cr.execute('select id from stock_tracking where create_uid=%s order by id desc limit 1', (uid,))
         res = cr.fetchone()
         return (res and res[0]) or False
@@ -1311,7 +1310,7 @@ class stock_move(osv.osv):
     _order = 'date_expected desc, id'
     _log_create = False
 
-    def name_get(self, cr, uid, ids, context={}):
+    def name_get(self, cr, uid, ids, context=None):
         res = []
         for line in self.browse(cr, uid, ids, context):
             res.append((line.id, (line.product_id.code or '/')+': '+line.location_id.name+' > '+line.location_dest_id.name))
@@ -1391,7 +1390,7 @@ class stock_move(osv.osv):
             'You try to assign a lot which is not from the same product',
             ['prodlot_id'])]
 
-    def _default_location_destination(self, cr, uid, context={}):
+    def _default_location_destination(self, cr, uid, context=None):
         """ Gets default address of partner for destination location
         @return: Address id or False
         """
@@ -1407,7 +1406,7 @@ class stock_move(osv.osv):
             return property_out and property_out.id or False
         return False
 
-    def _default_location_source(self, cr, uid, context={}):
+    def _default_location_source(self, cr, uid, context=None):
         """ Gets default address of partner for source location
         @return: Address id or False
         """
@@ -1423,24 +1422,24 @@ class stock_move(osv.osv):
     _defaults = {
         'location_id': _default_location_source,
         'location_dest_id': _default_location_destination,
-        'state': lambda *a: 'draft',
-        'priority': lambda *a: '1',
-        'product_qty': lambda *a: 1.0,
-        'scraped' : lambda *a: False,
-        'date_planned': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
-        'date': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
+        'state': 'draft',
+        'priority': '1',
+        'product_qty': 1.0,
+        'scraped' :  False,
+        'date_planned': time.strftime('%Y-%m-%d %H:%M:%S'),
+        'date': time.strftime('%Y-%m-%d %H:%M:%S'),
         'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'stock.move', context=c),
-        'date_expected': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
+        'date_expected': time.strftime('%Y-%m-%d %H:%M:%S'),
     }
 
-    def copy(self, cr, uid, id, default=None, context={}):
+    def copy(self, cr, uid, id, default=None, context=None):
         if default is None:
             default = {}
         default = default.copy()
-        return super(stock_move, self).copy(cr, uid, id, default, context)
+        return super(stock_move, self).copy(cr, uid, id, default, context=context)
 
-    def _auto_init(self, cursor, context):
-        res = super(stock_move, self)._auto_init(cursor, context)
+    def _auto_init(self, cursor, context=None):
+        res = super(stock_move, self)._auto_init(cursor, context=contexts)
         cursor.execute('SELECT indexname \
                 FROM pg_indexes \
                 WHERE indexname = \'stock_move_location_id_location_dest_id_product_id_state\'')
@@ -1533,7 +1532,7 @@ class stock_move(osv.osv):
             result['location_dest_id'] = loc_dest_id
         return {'value': result}
 
-    def _chain_compute(self, cr, uid, moves, context={}):
+    def _chain_compute(self, cr, uid, moves, context=None):
         """ Finds whether the location has chained location type or not.
         @param moves: Stock moves
         @return: Dictionary containing destination location with chained location type.
@@ -1559,7 +1558,7 @@ class stock_move(osv.osv):
                     result[m.picking_id].append( (m, dest) )
         return result
 
-    def action_confirm(self, cr, uid, ids, context={}):
+    def action_confirm(self, cr, uid, ids, context=None):
         """ Confirms stock move.
         @return: List of ids.
         """
@@ -1568,10 +1567,12 @@ class stock_move(osv.osv):
         self.write(cr, uid, ids, {'state': 'confirmed'})
         i = 0
 
-        def create_chained_picking(self, cr, uid, moves, context):
+        def create_chained_picking(self, cr, uid, moves, context=None):
             new_moves = []
             res_obj =  self.pool.get('res.company')
-            for picking, todo in self._chain_compute(cr, uid, moves, context).items():
+            if context is None:
+                context = {}
+            for picking, todo in self._chain_compute(cr, uid, moves, context=context).items():
                 ptype = todo[0][1][5] and todo[0][1][5] or self.pool.get('stock.location').picking_type_get(cr, uid, todo[0][0].location_dest_id, todo[0][1][0])
                 pick_name = ''
                 if ptype == 'delivery':
@@ -1641,13 +1642,15 @@ class stock_move(osv.osv):
     #
     # Duplicate stock.move
     #
-    def check_assign(self, cr, uid, ids, context={}):
+    def check_assign(self, cr, uid, ids, context=None):
         """ Checks the product type and accordingly writes the state.
         @return: No. of moves done
         """
         done = []
         count = 0
         pickings = {}
+        if context is None:
+            context = {}
         for move in self.browse(cr, uid, ids, context=context):
             if move.product_id.type == 'consu':
                 if move.state in ('confirmed', 'waiting'):
@@ -1697,12 +1700,14 @@ class stock_move(osv.osv):
     #
     # Cancel move => cancel others move and pickings
     #
-    def action_cancel(self, cr, uid, ids, context={}):
+    def action_cancel(self, cr, uid, ids, context=None):
         """ Cancels the moves and if all moves are cancelled it cancels the picking.
         @return: True
         """
         if not len(ids):
             return True
+        if context is None:
+            context = {}
         pickings = {}
         for move in self.browse(cr, uid, ids):
             if move.state in ('confirmed', 'waiting', 'assigned', 'draft'):
@@ -1735,6 +1740,9 @@ class stock_move(osv.osv):
         acc_variation = accounts['property_stock_variation']
         journal_id = accounts['stock_journal']
 
+        if context is None:
+            context = {}
+
         if not acc_src:
             raise osv.except_osv(_('Error!'),  _('There is no stock input account defined ' \
                                     'for this product: "%s" (id: %d)') % \
@@ -1767,7 +1775,7 @@ class stock_move(osv.osv):
         return journal_id, acc_src, acc_dest, acc_variation, amount
 
 
-    def action_done(self, cr, uid, ids, context={}):
+    def action_done(self, cr, uid, ids, context=None):
         """ Makes the move done and if all moves are done, it will finish the picking.
         @return:
         """
@@ -1775,8 +1783,10 @@ class stock_move(osv.osv):
         picking_ids = []
         product_uom_obj = self.pool.get('product.uom')
         price_type_obj = self.pool.get('product.price.type')
-        product_obj=self.pool.get('product.product')
+        product_obj = self.pool.get('product.product')
         move_obj = self.pool.get('account.move')
+        if context is None:
+            context = {}
         for move in self.browse(cr, uid, ids):
             if move.picking_id:
                 picking_ids.append(move.picking_id.id)
@@ -1852,11 +1862,12 @@ class stock_move(osv.osv):
         for (id,name) in picking_obj.name_get(cr, uid, picking_ids):
             message = _('Document') + " '" + name + "' "+ _("is processed")
             self.log(cr, uid, id, message)
-
         return True
 
-    def create_account_move(self, cr, uid, move,account_id,account_variation,amount, context=None):
+    def create_account_move(self, cr, uid, move,account_id, account_variation, amount, context=None):
 
+        if context is None:
+            context = {}
         partner_id = move.picking_id.address_id and (move.picking_id.address_id.partner_id and move.picking_id.address_id.partner_id.id or False) or False
         lines=[(0, 0, {
                                     'name': move.name,
@@ -1939,6 +1950,8 @@ class stock_move(osv.osv):
         @return: Splited move lines
         """
 
+        if context is None:
+            context = {}
         if quantity <= 0:
             raise osv.except_osv(_('Warning!'), _('Please provide Proper Quantity !'))
 
@@ -2055,7 +2068,7 @@ class stock_move(osv.osv):
         self.action_done(cr, uid, res)
         return res
 
-    def do_partial(self, cr, uid, ids, partial_datas, context={}):
+    def do_partial(self, cr, uid, ids, partial_datas, context=None):
         """ Makes partial pickings and moves done.
         @param partial_datas: Dictionary containing details of partial picking
                           like partner_id, address_id, delivery_date, delivery
@@ -2073,9 +2086,11 @@ class stock_move(osv.osv):
         partner_id = partial_datas.get('partner_id', False)
         address_id = partial_datas.get('address_id', False)
         delivery_date = partial_datas.get('delivery_date', False)
-
         new_moves = []
 
+        if  context is None:
+            context = {}
+
         complete, too_many, too_few = [], [], []
         move_product_qty = {}
         for move in self.browse(cr, uid, ids, context=context):
@@ -2153,7 +2168,7 @@ class stock_move(osv.osv):
             complete.append(move)
 
         for move in complete:
-            self.action_done(cr, uid, [move.id], context)
+            self.action_done(cr, uid, [move.id], context=context)
             if  move.picking_id.id :
                 # TOCHECK : Done picking if all moves are done
                 cr.execute("""
@@ -2248,7 +2263,7 @@ class stock_inventory(osv.osv):
             self.write(cr, uid, [inv.id], {'state': 'done', 'date_done': time.strftime('%Y-%m-%d %H:%M:%S'), 'move_ids': [(6, 0, move_ids)]})
         return True
 
-    def action_cancel(self, cr, uid, ids, context={}):
+    def action_cancel(self, cr, uid, ids, context=None):
         """ Cancels the stock move and change inventory state to draft.
         @return: True
         """
@@ -2257,7 +2272,7 @@ class stock_inventory(osv.osv):
             self.write(cr, uid, [inv.id], {'state': 'draft'})
         return True
 
-    def action_cancel_inventary(self, cr, uid, ids, context={}):
+    def action_cancel_inventary(self, cr, uid, ids, context=None):
         """ Cancels both stock move and inventory
         @return: True
         """
@@ -2268,7 +2283,6 @@ class stock_inventory(osv.osv):
 
 stock_inventory()
 
-
 class stock_inventory_line(osv.osv):
     _name = "stock.inventory.line"
     _description = "Inventory Line"
@@ -2318,8 +2332,9 @@ class stock_warehouse(osv.osv):
         'lot_output_id': fields.many2one('stock.location', 'Location Output', required=True, domain=[('usage','<>','view')]),
     }
     _defaults = {
-        'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'stock.inventory', context=c),
+        'company_id': lambda self, cr, uid, c: self.pool.get('res.company')._company_default_get(cr, uid, 'stock.inventory', context=c),
     }
+
 stock_warehouse()
 
 
@@ -2328,15 +2343,19 @@ stock_warehouse()
 class stock_picking_move_wizard(osv.osv_memory):
     _name = 'stock.picking.move.wizard'
 
-    def _get_picking(self, cr, uid, ctx):
+    def _get_picking(self, cr, uid, ctx=None):
+        if ctx is None:
+            ctx = {}
         if ctx.get('action_id', False):
             return ctx['action_id']
         return False
 
-    def _get_picking_address(self, cr, uid, ctx):
+    def _get_picking_address(self, cr, uid, context=None):
         picking_obj = self.pool.get('stock.picking')
-        if ctx.get('action_id', False):
-            picking = picking_obj.browse(cr, uid, [ctx['action_id']])[0]
+        if context is None:
+            context = {}
+        if context.get('action_id', False):
+            picking = picking_obj.browse(cr, uid, [context['action_id']])[0]
             return picking.address_id and picking.address_id.id or False
         return False
 
@@ -2404,6 +2423,7 @@ class report_products_to_received_planned(osv.osv):
         group by stock.date_planned
                 )
         """)
+
 report_products_to_received_planned()
 
 class report_delivery_products_planned(osv.osv):
@@ -2440,5 +2460,7 @@ class report_delivery_products_planned(osv.osv):
 
                 )
         """)
+
 report_delivery_products_planned()
+
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: