text: """empty message
  
  Revision ID: 00431f19f01d
  Revises: 662a6b7abb7e
  Create Date: 2020-04-16 22:56:58.252290
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = '00431f19f01d'
  down_revision = '662a6b7abb7e'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('Show', sa.Column('start_time', sa.String(), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('Show', 'start_time')
      # ### end Alembic commands ###
  