text: """empty message
  
  Revision ID: 1667a11b3a01
  Revises: None
  Create Date: 2015-12-09 14:42:40.773000
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '1667a11b3a01'
  down_revision = None
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.create_table(
          'subscribers',
          sa.Column('id', sa.Integer(), nullable=False),
          sa.Column('phone_number', sa.String(), nullable=False),
          sa.Column('subscribed', sa.Boolean(), nullable=False),
          sa.PrimaryKeyConstraint('id'),
      )
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_table('subscribers')
      ### end Alembic commands ###
  