new_contents: """add requested_commands to model
  
  Revision ID: 43e4ec819875
  Revises: 4c4654abd663
  Create Date: 2015-09-16 08:08:10.605441
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '43e4ec819875'
  down_revision = '4c4654abd663'
  branch_labels = None
  depends_on = None
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.add_column('PiUrl', sa.Column('requested_commands', sa.Text(), nullable=True))
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('PiUrl', 'requested_commands')
      ### end Alembic commands ###
  
subject: add requested commands to model