new_contents: """add downloaded_at column to direct award projects
  
  Revision ID: 970
  Revises: 960
  Create Date: 2017-09-04 09:25:41.968481
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  
  # revision identifiers, used by Alembic.
  revision = '970'
  down_revision = '960'
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('direct_award_projects', sa.Column('downloaded_at', sa.DateTime(), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('direct_award_projects', 'downloaded_at')
      # ### end Alembic commands ###
  
  
subject: Add migration for database to add downloaded_at column