I am new in openerp 7, when i run i got "NO handler found" could you please help me. Here is the detail  from the command prompt

2014-08-01 22:08:27,941 3510 INFO ? openerp: OpenERP version 7.0-20140729-231122
2014-08-01 22:08:27,942 3510 INFO ? openerp: addons paths: /home/dave/workspace/Openerp/openerp/openobject-addons
2014-08-01 22:08:27,942 3510 INFO ? openerp: database hostname: localhost
2014-08-01 22:08:27,943 3510 INFO ? openerp: database port: 5432
2014-08-01 22:08:27,944 3510 INFO ? openerp: database user: openerp
2014-08-01 22:08:28,129 3510 CRITICAL ? openerp.modules.module: Couldn't load module web
2014-08-01 22:08:28,129 3510 CRITICAL ? openerp.modules.module: __init__() takes exactly 2 arguments (1 given)
2014-08-01 22:08:28,130 3510 ERROR ? openerp.service: Failed to load server-wide module `web`.
The `web` module is provided by the addons found in the `openerp-web` project.
Maybe you forgot to add those addons in your addons_path configuration.
Traceback (most recent call last):
  File "/home/dave/workspace/Openerp/openerp/server/openerp/service/__init__.py", line 60, in load_server_wide_modules
    openerp.modules.module.load_openerp_module(m)
  File "/home/dave/workspace/Openerp/openerp/server/openerp/modules/module.py", line 415, in load_openerp_module
    getattr(sys.modules['openerp.addons.' + module_name], info['post_load'])()
  File "/home/dave/workspace/Openerp/openerp/server/openerp/addons/web/http.py", line 628, in wsgi_postload
    openerp.wsgi.register_wsgi_handler(Root())
  File "/home/dave/workspace/Openerp/openerp/server/openerp/addons/web/http.py", line 517, in __init__
    self.load_addons()
  File "/home/dave/workspace/Openerp/openerp/server/openerp/addons/web/http.py", line 580, in load_addons
    m = __import__('openerp.addons.' + module)
  File "/home/dave/workspace/Openerp/openerp/server/openerp/modules/module.py", line 133, in load_module
    mod = imp.load_module('openerp.addons.' + module_part, f, path, descr)
  File "/home/dave/workspace/Openerp/openerp/openobject-addons/account/__init__.py", line 22, in <module>
    import partner
  File "/home/dave/workspace/Openerp/openerp/openobject-addons/account/partner.py", line 104, in <module>
    class res_partner(osv.osv):
  File "/home/dave/workspace/Openerp/openerp/openobject-addons/account/partner.py", line 222, in res_partner
    required=True),
TypeError: __init__() takes exactly 2 arguments (1 given)
2014-08-01 22:08:28,198 3510 INFO ? openerp.service.wsgi_server: HTTP service (werkzeug) running on 0.0.0.0:7069
2014-08-01 22:08:28,246 3510 INFO ? openerp: OpenERP server is running, waiting for connections...
2014-08-01 22:08:43,630 3510 INFO ? werkzeug: 127.0.0.1 - - [01/Aug/2014 22:08:43] "GET / HTTP/1.1" 404 -
2014-08-01 22:09:01,287 3510 INFO ? werkzeug: 127.0.0.1 - - [01/Aug/2014 22:09:01] "GET / HTTP/1.1" 404 -
2014-08-01 22:09:02,792 3510 INFO ? werkzeug: 127.0.0.1 - - [01/Aug/2014 22:09:02] "GET / HTTP/1.1" 404 -
2014-08-01 22:09:03,449 3510 INFO ? werkzeug: 127.0.0.1 - - [01/Aug/2014 22:09:03] "GET / HTTP/1.1" 404 -
2014-08-01 22:09:04,843 3510 INFO ? werkzeug: 127.0.0.1 - - [01/Aug/2014 22:09:04] "GET / HTTP/1.1" 404 -

Thanks