diff --git a/cert.py b/cert.py
deleted file mode 100644
index e69de29..0000000
diff --git a/configuration_equipment.py b/configuration_equipment.py
index a9e40dd..73bc944 100644
--- a/configuration_equipment.py
+++ b/configuration_equipment.py
@@ -6,7 +6,6 @@ class Configuration(ModelSingleton, ModelSQL, ModelView):
     'Equipment Configuration'
     __name__='optical_equipment.configuration'
 
-
     equipment_sequence = fields.Many2One('ir.sequence', "Equipment Sequence",
                         domain=[('sequence_type', '=', Id('optical_equipment', 'sequence_type_equipment'))
                                 ])
diff --git a/contract.py b/contract.py
index 5340197..e9325ba 100644
--- a/contract.py
+++ b/contract.py
@@ -63,7 +63,6 @@ class Contract(Workflow, ModelSQL, ModelView):
     maintenance_services = fields.Many2Many('optical_equipment_maintenance.service-equipment.contract',
                                             'contract', 'maintenance_services', "Prorogues")
     equipments = fields.One2Many('optical_equipment.equipment', 'contract', "Equipments")
-    #equipments = fields.Many2Many('optical_equipment.contract-optical_equipment.equipment', 'contract', 'equipment')
     price_contract = Monetary("Price Contract", digits=price_digits, currency='currency', required=True,
                           states={'readonly': Eval('state') != 'draft'})
     state = fields.Selection([
@@ -138,13 +137,13 @@ class Contract(Workflow, ModelSQL, ModelView):
         pass
 
         
-
 class ContractMaintenanceServices(ModelSQL):
     'Contract - Maintenance Services'
     __name__ = 'optical_equipment_maintenance.service-equipment.contract'
 
     maintenance_services = fields.Many2One('optical_equipment_maintenance.service', "Maintenance Service", select=True)
     contract = fields.Many2One('optical_equipment.contract', "Contract")
+
     
 class ContractEquipment(ModelSQL):
     'Optical Equipment - Contract'
diff --git a/contract.xml b/contract.xml
index 6dbac98..bcb073d 100644
--- a/contract.xml
+++ b/contract.xml
@@ -56,35 +56,6 @@
 	<field name="domain"></field>
 	<field name="act_window" ref="act_contract_form"/>
     </record>
-    <!--
-    <record model="ir.ui.view" id="create_contract_view_form">
-	<field name="model">optical_equipment_contract.initial</field>
-	<field name="type">form</field>
-	<field name="name">create_subscription_form</field>
-    </record>
-    <record model="ir.action.wizard" id="act_create_contract">
-	<field name="name">Initial Contract</field>
-        <field name="wiz_name">sale.create.contract</field>
-    </record>
-    <record model="ir.ui.view" id="create_prorogue_view_form">
-	<field name="model">optical_equipment_prorogue.next</field>
-	<field name="type">form</field>
-	<field name="name">create_prorogue_form</field>
-    </record>
-    <record model="ir.action.wizard" id="act_create_prorogue">
-	<field name="name">Prorogue to Contract</field>
-	<field name="wiz_name">optical_equipment.prorogue</field>
-    </record>
-    <record model="ir.model.button" id="run_prorrogation_button">
-	<field name="name">run</field>
-        <field name="model" search="[('model', '=', 'optical_equipment.contract')]"/>
-    </record>
-    <record model="ir.model.button" id="quotation_contract_button">
-	<field name="name">quotation</field>
-	<field name="string">Quotation</field>
-	<field name="confirm">Are you sure you want to quote these subscription?</field>
-	<field name="model" search="[('model', '=', 'optical_equipment.contract')]"/>
-	</record> -->
     <record model="ir.model.button" id="contrac_running_button">
 	<field name="name">running</field>
 	<field name="string">Run</field>
@@ -137,18 +108,6 @@
 	name="Contracts Management"
 	sequence="50"
 	id="menu_contracts"/>
-    <!--
-    <menuitem
-	parent="menu_contracts"
-	action="act_create_contract"
-	sequence="10"
-	id="menu_create_contract_initial"/>
-    <menuitem
-	parent="menu_contracts"
-	action="act_create_prorogue"
-	sequence="20"
-	id="menu_create_prorogue"/>
-	-->
     <menuitem
 	parent="menu_contracts"
 	action="act_contract_form"
diff --git a/cv.py b/cv.py
deleted file mode 100644
index e69de29..0000000
diff --git a/diary.py b/diary.py
index 1ffd447..44a7054 100644
--- a/diary.py
+++ b/diary.py
@@ -11,7 +11,6 @@ class Diary(ModelSQL, ModelView):
     date_end = fields.DateTime("Date End")
     maintenance_service = fields.Many2One('optical_equipment_maintenance.service', 'Maintenance Service', required=True)
     technical = fields.Many2One('company.employee', "Technical", required=True)
-
     state = fields.Selection([('draft', "Draft"),
                               ('agended', "Agended"),
                               ('in_progress', "In Progress"),
diff --git a/equipment.py b/equipment.py
index c9a307e..80c90c5 100644
--- a/equipment.py
+++ b/equipment.py
@@ -121,6 +121,7 @@ class OpticalEquipment(DeactivableMixin, Workflow, ModelSQL, ModelView):
         name = str(self.product.name) + '@' + str(self.serial) + '/' + str(self.code)
 
         return name
+    
     @staticmethod
     def _get_shipment():
         'Return list of Model names for shipment Reference'
diff --git a/exceptions.py b/exceptions.py
index e250476..6e0a2ac 100644
--- a/exceptions.py
+++ b/exceptions.py
@@ -1,9 +1,9 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
-
 from trytond.exceptions import UserError
 from trytond.model.exceptions import ValidationError
 
+
 class InvalidNumberPurchases(UserError):
     pass
 
diff --git a/maintenance.py b/maintenance.py
index be31d6b..aab10c7 100644
--- a/maintenance.py
+++ b/maintenance.py
@@ -380,8 +380,6 @@ class Maintenance(Workflow, ModelSQL, ModelView):
     
     def get_create_graph(matrix, patterns):
         image = BytesIO()
-        #fig_width = 16
-        #fig_height = 16
         all_data = matrix
         labels = list(patterns)
         fig, ax1 = plt.subplots(nrows=1, ncols=1, figsize=(9, len(labels)+1))
@@ -425,7 +423,6 @@ class Maintenance(Workflow, ModelSQL, ModelView):
     @ModelView.button
     @Workflow.transition('finished')
     def finished(cls, maintenances):
-        #raise UserError(str("Esto es una prueba"))
         for maintenance in maintenances:
             if maintenance.calibration_total == ():
                 raise UserError("No puede finalizar este mantenimiento sin una calibración")
@@ -578,7 +575,6 @@ class CalibrationSample(sequence_ordered(), ModelView, ModelSQL):
     number_sample = fields.Float("Sample #",  _digits)
     value_patterns = fields.Many2One('optical_equipment.product_pattern', "Value Pattern", required=True,
                                     ondelete='RESTRICT')
-    #value_pattern = fields.Float("Value in Pattern")
     value_equipment = fields.Float("Value in Equipment",  _digits, required=True,
                                    states={'readonly': Eval('value_patterns') == None})
     mistake = fields.Float("Mistake",  _digits)
diff --git a/maintenance.xml b/maintenance.xml
index 0407c03..da2be9a 100644
--- a/maintenance.xml
+++ b/maintenance.xml
@@ -191,29 +191,6 @@
             <field name="type">form</field>
             <field name="name">calibration_total_form</field>
         </record>
-	<!-- Vista de Calendario Inutilizada 
-	<record model="ir.ui.view" id="maintenance_diary_view_calendar">
-            <field name="model">optical_equipment_maintenance.diary</field>
-            <field name="type">calendar</field>
-            <field name="name">maintenance_calendar</field>
-        </record>
-	<record model="ir.action.act_window" id="act_maintenance_diary_calendar">
-            <field name="name">Calendar</field>
-            <field name="res_model">optical_equipment_maintenance.diary</field>
-            </record>
-        <record model="ir.action.act_window.view"
-            id="act_maintenance_calendar_view1">
-            <field name="sequence" eval="10"/>
-            <field name="view" ref="maintenance_diary_view_calendar"/>
-            <field name="act_window" ref="act_maintenance_diary_calendar"/>
-        </record>
-	<record model="ir.action.act_window.view"
-            id="act_maintenance_calendar_view2">
-            <field name="sequence" eval="20"/>
-            <field name="view" ref="optical_equipment.agended_list_view_form"/>
-            <field name="act_window" ref="act_maintenance_diary_calendar"/>
-            </record>
-	    -->
 	<record model="ir.ui.view" id="assing_agended_view_form">
 	    <field name="model">optical_equipment_maintenance.agended</field>
 	    <field name="type">form</field>
@@ -283,12 +260,6 @@
             <field name="model">optical_equipment.maintenance,-1</field>
             <field name="action" ref="report_maintenance_service"/>
         </record>
-	<!--
-	<menuitem parent="menu_diary"
-		  action="act_maintenance_diary_calendar"
-		  sequence="10"
-		  id="menu_agenda_form"/>
-		  -->
 	<menuitem parent="menu_equipment"
 		  action="act_maintenance_service_form"
 		  sequence="20"
diff --git a/maintenance_line_form.xml b/maintenance_line_form.xml
deleted file mode 100644
index 187ed83..0000000
--- a/maintenance_line_form.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0"?> 
-<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
-     this repository contains the full copyright notices and license terms. -->
-<form>
-    <label name="product"/>
-    <field name="product"/>
-    <label name="maintenance"/>
-    <field name="maintenance"/>
-    <label name="maintenance_activity"/>
-    <field name="maintenance_activity"/>
-</form>
diff --git a/message.xml b/message.xml
index f60b522..f951439 100644
--- a/message.xml
+++ b/message.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0"?>
-
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-
 <tryton>
     <data grouped="1">
 	<record model="ir.message" id="msg_invalid_number_purchases">
diff --git a/move.py b/move.py
index bc76341..ced0657 100644
--- a/move.py
+++ b/move.py
@@ -19,7 +19,6 @@ class Move(metaclass=PoolMeta):
                                 states={'invisible': If(~Eval('product_equipment'), True),
                                         'readonly': (Eval('state').in_(['cancelled', 'done'])),},
                                 depends=['product_equipment'])
-
     equipment_serial = fields.Function(fields.Char('Serial',
                                                    states={'readonly': True,
                                                            'invisible': If(~Eval('product_equipment'), True)},
@@ -48,7 +47,6 @@ class Move(metaclass=PoolMeta):
                     or self.uom.category != self.product.default_uom.category):
                 self.uom = self.product.default_uom
 
-
     @fields.depends(methods=['get_equipment_serial'])
     def on_change_equipment(self):
         if self.equipment:
@@ -58,7 +56,6 @@ class Move(metaclass=PoolMeta):
             self.equipment_serial = None
 
 
-
 class ShipmentOut(metaclass=PoolMeta):
     "Customer Shipment"
     __name__ = 'stock.shipment.out'
@@ -99,7 +96,6 @@ class ShipmentOut(metaclass=PoolMeta):
             for move in shipment.inventory_moves:
                 count = 0
                 if move.equipment:
-                    #raise UserError(str((move.origin)))
                     equipment  = move.equipment
                     Id = equipment.id
                     equipment = Equipments.search(['id', '=',Id])[0]
@@ -187,12 +183,4 @@ class ShipmentInternal(metaclass=PoolMeta):
                     
         Move.do([m for s in shipments for m in s.incoming_moves])
         cls.write([s for s in shipments if not s.effective_date], {
-
-                'effective_date': Date.today(),
-
-                })
-
-
-
-
-    
+                'effective_date': Date.today(),})
diff --git a/move.xml b/move.xml
index 8bce59d..da4b8db 100644
--- a/move.xml
+++ b/move.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0"?>
-<!--This file file is part of Tryton. The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms. -->
+<!--This file file is part of Tryton. The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
 <tryton>
     <record model="ir.ui.view" id="move_view_list_shipment">
 	<field name="model">stock.move</field>
@@ -21,5 +22,5 @@
             <field name="keyword">form_print</field>
             <field name="model">stock.shipment.out,-1</field>
             <field name="action" ref="report_shipment_out_picking_list1"/>
-	    </record>
+    </record>
 </tryton>
diff --git a/product.py b/product.py
index 9bbfe48..24a8144 100644
--- a/product.py
+++ b/product.py
@@ -106,7 +106,6 @@ class Template(metaclass=PoolMeta):
     #These are measurements required for the equipments, are in this place
     # for manage of class 'product.template'
 
-    
     temperature_min = fields.Float("Temp Min")
     temperature_max = fields.Float("Temp Max")
     temperature_uom = fields.Many2One('product.uom', 'Temperature UOM',
@@ -325,10 +324,12 @@ class Template(metaclass=PoolMeta):
             self.voltageAC = 0
             self.voltageDC = 0
             self.frequency = 0   
-    
+
+            
 class Product(metaclass=PoolMeta):
     __name__ = 'product.product'
 
+    
 class Pattern(ModelSQL, ModelView):
     "Pattern K of equipment"
     __name__ = 'optical_equipment.product_pattern'
diff --git a/sale.py b/sale.py
index 7380902..1d48e3c 100644
--- a/sale.py
+++ b/sale.py
@@ -247,7 +247,6 @@ class SaleLine(metaclass=PoolMeta):
         move.to_location = self.to_location
         move.state = 'draft'
         move.company = self.sale.company
-        #move.serial = self.equipment_serial
 
         if move.on_change_with_unit_price_required():
             move.unit_price = self.unit_price
diff --git a/uom.xml b/uom.xml
index 156c155..34536b3 100644
--- a/uom.xml
+++ b/uom.xml
@@ -81,6 +81,5 @@ this repository contains the full copyright notices and license terms. -->
             <field name="rounding" eval="1."/>
             <field name="digits" eval="0"/>
 	</record>
-
     </data>
 </tryton>