i try to show moulue in open erp

ALL FILES __init__._py file

import asset_allocation

__openerp__.py file

{
'name' :'asset_allocation',
 'version':'1.1',
'author':'noreen',
'category':'Generic Modules/Others',
 'depends':['base'],
'data':'[asset_allocation_view.xml]',
'installable': True,
'active':False,
'demo':[],

}

asset_allocation_view.xml xml <openerp> <data>

    <!--

   <!--
    Asset Allocation
       -->

<record model="ir.ui.view" id="view_asset_allocation_form">
    <field name="name">asset.allocation.form</field>
    <field name="model">asset.allocation</field>
    <field name="type">form</field>
    <field name="arch" type="xml">
        <form string="Asset Allocation">
            <field name="asset_id"/>
            <field name="employee_id"/>
            <field name="asset_status"/>
            <field name="note"/>
        </form>
    </field>
</record>

<record model="ir.ui.view" id="view_asset_allocation_tree">
    <field name="name">asset.allocation.tree</field>
    <field name="model">asset.allocation</field>
    <field name="type">tree</field>
    <field name="arch" type="xml">
        <tree string="Asset Allocation">
            <field name="asset_id"/>
            <field name="employee_id"/>
            <field name="asset_status"/>
            <field name="note"/>
        </tree>
    </field>
</record>

<record id="action_asset_allocation" model="ir.actions.act_window">
    <field name="name">Asset Allocation</field>
    <field name="type">ir.actions.act_window</field>
    <field name="res_model">asset.allocation</field>
    <field name="view_mode">tree,form</field>
</record>

<menuitem id="menu_asset_allocation" parent="menu_finance_assets" action="action_asset_allocation"/>

  </data>
  </openerp>

asset_allocation.py

      from openerp.osv import fields,osv
     class asset_allocation(osv.osv):
       _name = 'asset.allocation'
     _description = 'Asset Allocation'
      _columns = {
     'asset_id': fields.many2one('account.asset.asset', 'Asset', required=True),
    'employee_id': fields.many2one('hr.employee', 'Employee', required=True),
    'asset_status': fields.datetime( 'Status', required=True,),
    'note': fields.text('Note'),
    }

     asset_allocation()

but it is not show in open erp ?where is the problem