# myapp/
#   models/
#     __init__.py
#     models1.py
#     models2.py

############# __init__.py #############
import django.db.models        
import sys                     

appname = "myapp"
from models1 import *
from models2 import *

__all__ = []                   

for decl in globals().values(): 
  try:
    if decl.__module__.startswith(__name__) and issubclass(decl, django.db.models.Model):
      decl._meta.db_table = decl._meta.db_table.replace('models', appname)
      decl._meta.app_label = appname   
      __all__.append(decl.__name__)
      django.db.models.loading.register_models(appname, decl)
  except:
    pass