old_contents: '''This defines a database router that will redirect
  models from the 'objects' app to its own database.
  this gets around the problem of other stuff (like sessions)
  getting put into the same database.  We want to keep our
  data clean.'''
  
  class MyAppRouter(object):
  
     def db_for_read(self, model, **hints):
        '''Point all 'objects' to the objects database.'''
        print model._meta.app_label
        if model._meta.app_label == 'navigator':
           return 'objects'
        return None
  
     def db_for_write(self, model, **hints):
        if model._meta.app_label == 'navigator':
           return 'objects'
        return None
  
     def allow_relation(self, obj1, obj2, **hints):
        if obj1._meta.app_label == 'navigator' or \
           obj2._meta.app_label == 'navigator':
           return True
        return None
  
     def allow_migrage(self, db, app_label, model_name=None, **hints):
        if app_label == 'navigator':
           return db == 'objects'
        return None
  
new_contents: '''This defines a database router that will redirect
  models from the 'objects' app to its own database.
  this gets around the problem of other stuff (like sessions)
  getting put into the same database.  We want to keep our
  data clean.'''
  
  class MyAppRouter(object):
  
     def db_for_read(self, model, **hints):
        '''Point all 'objects' to the objects database.'''
        if model._meta.app_label == 'navigator':
           return 'objects'
        return None
  
     def db_for_write(self, model, **hints):
        if model._meta.app_label == 'navigator':
           return 'objects'
        return None
  
     def allow_relation(self, obj1, obj2, **hints):
        if obj1._meta.app_label == 'navigator' or \
           obj2._meta.app_label == 'navigator':
           return True
        return None
  
     def allow_migrage(self, db, app_label, model_name=None, **hints):
        if app_label == 'navigator':
           return db == 'objects'
        return None
  
subject: remove debug