Splitting up Django models
1. Create a models folder under myApp.
2. Delete models.py and add a model_name.py file in the models folder for each model model_name.
3. Add the following to each model file :
class Meta:
app_label = 'myApp'
4. Add a line in models/_init__.py_ for each model file :
from myModelFile import myModel
More information at djangoproject.com