Importing from CSV file not working

[Salton Massally]

When I try importing records from a CSV file, i get this error

Traceback (most recent call last):
  File "/home/tarzan/.virt_env/openerp8/lib/python2.7/site-packages/Werkzeug-0.9.4-py2.7.egg/werkzeug/serving.py", line 177, in run_wsgi
    execute(self.server.app)
  File "/home/tarzan/.virt_env/openerp8/lib/python2.7/site-packages/Werkzeug-0.9.4-py2.7.egg/werkzeug/serving.py", line 165, in execute
    application_iter = app(environ, start_response)
  File "/var/code/openerp/demo/openerp/service/server.py", line 258, in app
    return self.app(e, s)
  File "/var/code/openerp/demo/openerp/service/wsgi_server.py", line 362, in application
    return application_unproxied(environ, start_response)
  File "/var/code/openerp/demo/openerp/service/wsgi_server.py", line 348, in application_unproxied
    result = handler(environ, start_response)
  File "/var/code/openerp/demo/openerp/http.py", line 1017, in __call__
    return self.dispatch(environ, start_response)
  File "/var/code/openerp/demo/openerp/http.py", line 996, in __call__
    return self.app(environ, start_wrapped)
  File "/home/tarzan/.virt_env/openerp8/lib/python2.7/site-packages/Werkzeug-0.9.4-py2.7.egg/werkzeug/wsgi.py", line 579, in __call__
    return self.app(environ, start_response)
  File "/var/code/openerp/demo/openerp/http.py", line 996, in __call__
    return self.app(environ, start_wrapped)
  File "/home/tarzan/.virt_env/openerp8/lib/python2.7/site-packages/Werkzeug-0.9.4-py2.7.egg/werkzeug/wsgi.py", line 579, in __call__
    return self.app(environ, start_response)
  File "/var/code/openerp/demo/openerp/http.py", line 996, in __call__
    return self.app(environ, start_wrapped)
  File "/home/tarzan/.virt_env/openerp8/lib/python2.7/site-packages/Werkzeug-0.9.4-py2.7.egg/werkzeug/wsgi.py", line 579, in __call__
    return self.app(environ, start_response)
  File "/var/code/openerp/demo/openerp/http.py", line 1149, in dispatch
    result = ir_http._dispatch()
  File "/var/code/openerp/demo/openerp/addons/base/ir/ir_http.py", line 117, in _dispatch
    return self._handle_exception(e)
  File "/var/code/openerp/demo/openerp/addons/base/ir/ir_http.py", line 113, in _dispatch
    result = request.dispatch()
  File "/var/code/openerp/demo/openerp/http.py", line 459, in dispatch
    r = self._call_function(**self.params)
  File "/var/code/openerp/demo/openerp/http.py", line 220, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/var/code/openerp/demo/openerp/service/model.py", line 113, in wrapper
    return f(dbname, *args, **kwargs)
  File "/var/code/openerp/demo/openerp/http.py", line 215, in checked_call
    return self.endpoint(*a, **kw)
  File "/var/code/openerp/demo/openerp/http.py", line 560, in __call__
    return self.method(*args, **kw)
  File "/var/code/openerp/demo/openerp/http.py", line 267, in response_wrap
    response = f(*args, **kw)
TypeError: set_file() takes at least 4 arguments (4 given)

[miracle (283475615-c)]

I have encountered this problem, but ..