new_contents: """
  
  Revision ID: 0184_alter_primary_key_1
  Revises: 0183_alter_primary_key
  Create Date: 2018-03-28 16:05:54.648645
  
  """
  from alembic import op
  import sqlalchemy as sa
  from sqlalchemy.dialects import postgresql
  
  revision = '0184_alter_primary_key_1'
  down_revision = '0183_alter_primary_key'
  
  
  def upgrade():
      op.drop_constraint('ft_billing_pkey', 'ft_billing', type_='primary')
  
      op.create_primary_key('ft_billing_pkey', 'ft_billing', ['bst_date',
                                                              'template_id',
                                                              'service_id',
                                                              'rate_multiplier',
                                                              'provider',
                                                              'notification_type',
                                                              'international'])
  
  
  def downgrade():
      op.drop_constraint('ft_billing_pkey', 'ft_billing', type_='primary')
  
      op.create_primary_key('ft_billing_pkey', 'ft_billing', ['bst_date',
                                                              'template_id',
                                                              'service_id',
                                                              'rate_multiplier',
                                                              'provider',
                                                              'notification_type'])
  
subject: add international as a composite primary key for billing