new_contents: """add project to child
  
  Revision ID: 7665dea01c37
  Revises: 
  Create Date: 2017-10-07 16:37:54.126634
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = '7665dea01c37'
  down_revision = None
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('child', sa.Column('project', sa.String(length=50), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('child', 'project')
      # ### end Alembic commands ###
  
subject: update alembic