I did:
@api.model
def create(self, cr, uid, vals, context=None):
Traceback (most recent call last):
File "/opt/odoo/odoo-8.0/openerp/http.py", line 476, in _handle_exception
return super(JsonRequest, self)._handle_exception(exception)
File "/opt/odoo/odoo-8.0/openerp/http.py", line 495, in dispatch
result = self._call_function(**self.params)
File "/opt/odoo/odoo-8.0/openerp/http.py", line 311, in _call_function
return checked_call(self.db, *args, **kwargs)
File "/opt/odoo/odoo-8.0/openerp/service/model.py", line 113, in wrapper
return f(dbname, *args, **kwargs)
File "/opt/odoo/odoo-8.0/openerp/http.py", line 308, in checked_call
return self.endpoint(*a, **kw)
File "/opt/odoo/odoo-8.0/openerp/http.py", line 685, in __call__
return self.method(*args, **kw)
File "/opt/odoo/odoo-8.0/openerp/http.py", line 360, in response_wrap
response = f(*args, **kw)
File "/opt/odoo/odoo-8.0/addons/web/controllers/main.py", line 941, in call_kw
return self._call_kw(model, method, args, kwargs)
File "/opt/odoo/odoo-8.0/addons/web/controllers/main.py", line 933, in _call_kw
return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs)
File "/opt/odoo/odoo-8.0/openerp/api.py", line 234, in wrapper
return old_api(self, *args, **kwargs)
File "/opt/odoo/odoo-8.0/openerp/api.py", line 329, in old_api
result = method(recs, *args, **kwargs)
TypeError: create() takes at least 4 arguments (2 given)