old_contents: """Models related to bills """
  from django.db import models
  
  from questing.models import Topic
  from legislature.models import Representative
  
  
  class Bill(models.Model):
      sunlight_id = models.CharField(max_length=63, default='')
  
      official_title = models.TextField(default='')
      popular_title = models.CharField(max_length=127, default='')
      summary = models.TextField(default='')
      url = models.CharField(max_length=127, default='', help_text='Permalink with more info')
  
      CHAMBERS = (
          ('S', 'Senate'),
          ('H', 'House'),
      )
      chamber = models.CharField(max_length=3, choices=CHAMBERS, null=True)
      sponsor = models.ForeignKey(Representative, on_delete=models.SET_NULL, null=True)
  
      topics = models.ManyToManyField(Topic)
  
new_contents: """Models related to bills """
  from django.db import models
  
  from questing.models import Topic
  from legislature.models import Representative
  
  
  class Bill(models.Model):
      sunlight_id = models.CharField(max_length=63, default='')
  
      official_title = models.TextField(default='')
      popular_title = models.CharField(max_length=127, default='')
      summary = models.TextField(default='')
      url = models.CharField(max_length=127, default='', help_text='Permalink with more info')
  
      CHAMBERS = (
          ('S', 'Senate'),  # TODO(carolyn): match to Representative field
          ('H', 'House'),
      )
  
      chamber = models.CharField(max_length=3, choices=CHAMBERS, null=True)
      sponsor = models.ForeignKey(Representative, on_delete=models.SET_NULL, null=True)
  
      topics = models.ManyToManyField(Topic)
  
subject: fix merge