new_contents: """empty message
  
  Revision ID: 167b44b795e4
  Revises: ('481d8266a4c0', 'c3d394d9dfd1')
  Create Date: 2021-01-21 00:41:30.655455
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = '167b44b795e4'
  down_revision = ('481d8266a4c0', 'c3d394d9dfd1')
  
  
  def upgrade():
      pass
  
  
  def downgrade():
      pass
  
subject: Add merge migration