text: """empty message
  
  Revision ID: b08b77c1bb94
  Revises: 29c35399c52d
  Create Date: 2019-05-21 17:12:12.691355
  
  """
  from alembic import op
  import sqlalchemy as sa
  from sqlalchemy.dialects import postgresql
  
  
  # revision identifiers, used by Alembic.
  revision = 'b08b77c1bb94'
  down_revision = '29c35399c52d'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('predictions', 'predictions')
      op.add_column('predictions', sa.Column('predictions', postgresql.JSONB(), nullable=False))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('predictions', 'predictions')
      op.drop_column('predictions', sa.Column('predictions', postgresql.JSONB(), nullable=False))
      # ### end Alembic commands ###
  