new_contents: """empty message
  
  Revision ID: 3d5c93bafb9d
  Revises: 7dc79d4ed7cd
  Create Date: 2018-05-30 20:04:38.461178
  
  """
  from alembic import op
  import sqlalchemy as sa
  import sqlalchemy_utils
  
  
  # revision identifiers, used by Alembic.
  revision = '3d5c93bafb9d'
  down_revision = '7dc79d4ed7cd'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('project', sa.Column('has_avatar', sa.Boolean(), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('project', 'has_avatar')
      # ### end Alembic commands ###
  
subject: Add has avatar column to project table