new_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """
  Remove unused columns
  
  Revision ID: e82c3a017d60
  Revises: 62f6becc7653
  Create Date: 2018-08-17 16:23:08.775818
  """
  
  from alembic import op
  
  
  revision = "e82c3a017d60"
  down_revision = "62f6becc7653"
  
  
  def upgrade():
      op.drop_column("accounts_user", "is_staff")
      op.drop_column("packages", "hosting_mode")
      op.drop_column("packages", "autohide")
      op.drop_column("packages", "bugtrack_url")
      op.drop_column("packages", "comments")
      op.drop_column("packages", "stable_version")
      op.drop_column("release_files", "downloads")
      op.drop_column("releases", "description_from_readme")
      op.drop_column("releases", "_pypi_hidden")
  
  
  def downgrade():
      raise RuntimeError("Order No. 227 - Ни шагу назад!")
  
subject: Remove the unused columns from pypa/warehouse#4581 (#4582)