new_contents: """remove redundant user subscription fields
  
  Revision ID: 3fc4c97dc6bd
  Revises: 3d723944025f
  Create Date: 2015-01-27 18:11:15.822193
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '3fc4c97dc6bd'
  down_revision = '3d723944025f'
  branch_labels = None
  depends_on = None
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('user', u'subscribe_bill')
      op.drop_column('user', u'subscribe_call_for_comment')
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.add_column('user', sa.Column(u'subscribe_call_for_comment', sa.BOOLEAN(), autoincrement=False, nullable=True))
      op.add_column('user', sa.Column(u'subscribe_bill', sa.BOOLEAN(), autoincrement=False, nullable=True))
      ### end Alembic commands ###
  
subject: Remove redundant subscription fields from user model.