new_contents: """
  
  Revision ID: 0125_remove_unique_constraint
  Revises: 0124_add_free_sms_fragment_limit
  Create Date: 2017-10-17 16:47:37.826333
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  revision = '0125_remove_unique_constraint'
  down_revision = '0124_add_free_sms_fragment_limit'
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_index('ix_service_sms_senders_service_id', table_name='service_sms_senders')
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_index(op.f('ix_service_sms_senders_service_id'), table_name='service_sms_senders')
      op.create_index('ix_service_sms_senders_service_id', 'service_sms_senders', ['service_id'], unique=True)
      # ### end Alembic commands ###
  
subject: Remove unique constraint for ServiceSmsSenders. This will allow a service to have multiple sms senders.