# Tested from de django shell

In [1]: import <your app name>
In [2]: import <your app name>.models
In [3]: from django.db import models

In [4]: class Foo(models.Model):
   ...:     name = "Baz"
   ...:     class Meta:
   ...:         app_label = "<your app name>.models"

In [5]: Foo
Out[5]: __main__.Foo

In [6]: attrs = {
   ...: 'name':'Qux',
   ...: 'descr':'Baz',
   ...: '__module__':'<your app name>.models'}

In [7]: AnotherFoo = type("Foo",(models.base.ModelBase,),attrs) #Use models.base.ModelBase instead of models.Model
 
In [8]: AnotherFoo
Out[8]: <your app name>.models.Foo