new_contents: """empty message
  
  Revision ID: 443d1e78a932
  Revises: 59e149a772cf
  Create Date: 2018-08-07 21:36:03.384838
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = '443d1e78a932'
  down_revision = 'c726b98be194'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('task_type', sa.Column('allow_timelog', sa.Boolean(), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('task_type', 'allow_timelog')
      # ### end Alembic commands ###
  
subject: Add migration file for allow timelog flag