old_contents: """Set ON DELETE CASCADE on AggregateTestGroup.*
  
  Revision ID: 4289d4c9dac6
  Revises: 1caf0d25843b
  Create Date: 2013-12-23 16:15:30.023843
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '4289d4c9dac6'
  down_revision = '1caf0d25843b'
  
  from alembic import op
  
  
  def upgrade():
      return
      op.drop_constraint('aggtestgroup_project_id_fkey', 'aggtestgroup')
      op.create_foreign_key('aggtestgroup_project_id_fkey', 'aggtestgroup', 'project', ['project_id'], ['id'], ondelete='CASCADE')
  
      op.drop_constraint('aggtestgroup_suite_id_fkey', 'aggtestgroup')
      op.create_foreign_key('aggtestgroup_suite_id_fkey', 'aggtestgroup', 'aggtestsuite', ['suite_id'], ['id'], ondelete='CASCADE')
  
      op.drop_constraint('aggtestgroup_parent_id_fkey', 'aggtestgroup')
      op.create_foreign_key('aggtestgroup_parent_id_fkey', 'aggtestgroup', 'aggtestgroup', ['suite_id'], ['id'], ondelete='CASCADE')
  
      op.drop_constraint('aggtestgroup_first_build_id_fkey', 'aggtestgroup')
      op.create_foreign_key('aggtestgroup_first_build_id_fkey', 'aggtestgroup', 'build', ['first_build_id'], ['id'], ondelete='CASCADE')
  
      op.create_foreign_key('aggtestgroup_last_build_id_fkey', 'aggtestgroup', 'build', ['last_build_id'], ['id'], ondelete='CASCADE')
  
  
  def downgrade():
      return
      op.drop_constraint('aggtestgroup_last_build_id_fkey', 'aggtestgroup')
  
new_contents: """Set ON DELETE CASCADE on AggregateTestGroup.*
  
  Revision ID: 4289d4c9dac6
  Revises: 1caf0d25843b
  Create Date: 2013-12-23 16:15:30.023843
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '4289d4c9dac6'
  down_revision = '1caf0d25843b'
  
  from alembic import op
  
  
  def upgrade():
      op.drop_constraint('aggtestgroup_project_id_fkey', 'aggtestgroup')
      op.create_foreign_key('aggtestgroup_project_id_fkey', 'aggtestgroup', 'project', ['project_id'], ['id'], ondelete='CASCADE')
  
      op.drop_constraint('aggtestgroup_suite_id_fkey', 'aggtestgroup')
      op.create_foreign_key('aggtestgroup_suite_id_fkey', 'aggtestgroup', 'aggtestsuite', ['suite_id'], ['id'], ondelete='CASCADE')
  
      op.drop_constraint('aggtestgroup_parent_id_fkey', 'aggtestgroup')
      op.create_foreign_key('aggtestgroup_parent_id_fkey', 'aggtestgroup', 'aggtestgroup', ['suite_id'], ['id'], ondelete='CASCADE')
  
      op.drop_constraint('aggtestgroup_first_build_id_fkey', 'aggtestgroup')
      op.create_foreign_key('aggtestgroup_first_build_id_fkey', 'aggtestgroup', 'build', ['first_build_id'], ['id'], ondelete='CASCADE')
  
      op.create_foreign_key('aggtestgroup_last_build_id_fkey', 'aggtestgroup', 'build', ['last_build_id'], ['id'], ondelete='CASCADE')
  
  
  def downgrade():
      op.drop_constraint('aggtestgroup_last_build_id_fkey', 'aggtestgroup')
  
subject: Remove return statements