old_contents: # Copyright (C) 2016 Google Inc., authors, and contributors <see AUTHORS file>
  # Licensed under http://www.apache.org/licenses/LICENSE-2.0 <see LICENSE file>
  # Created By: goodson@google.com
  # Maintained By: goodson@google.com
  
  """
  Remove relationships related to deleted response objects
  
  Create Date: 2016-05-10 12:25:26.383695
  """
  # disable Invalid constant name pylint warning for mandatory Alembic variables.
  # pylint: disable=invalid-name
  
  import sqlalchemy as sa
  
  from alembic import op
  
  # revision identifiers, used by Alembic.
  revision = '44ebc240800b'
  down_revision = '3715694bd315'
  
  
  def upgrade():
      """Upgrade database schema and/or data, creating a new revision."""
      op.execute(
          """
          DELETE FROM relationships
          WHERE source_type IN 
            ("Response", "DocumentationResponse", "InterviewResponse",
             "PopulationSampleResponse")
            OR destination_type IN
              ("Response", "DocumentationResponse", "InterviewResponse",
               "PopulationSampleResponse")
          """)
  
  
  def downgrade():
      """Downgrade database schema and/or data back to the previous revision."""
      pass
  
new_contents: # Copyright (C) 2016 Google Inc., authors, and contributors <see AUTHORS file>
  # Licensed under http://www.apache.org/licenses/LICENSE-2.0 <see LICENSE file>
  # Created By: goodson@google.com
  # Maintained By: goodson@google.com
  
  """
  Remove relationships related to deleted response objects
  
  Create Date: 2016-05-10 12:25:26.383695
  """
  # disable Invalid constant name pylint warning for mandatory Alembic variables.
  # pylint: disable=invalid-name
  
  from alembic import op
  
  # revision identifiers, used by Alembic.
  revision = '44ebc240800b'
  down_revision = '3715694bd315'
  
  
  def upgrade():
    """Upgrade database schema and/or data, creating a new revision."""
    op.execute(
        """
        DELETE FROM relationships
        WHERE source_type IN
          ("Response", "DocumentationResponse", "InterviewResponse",
           "PopulationSampleResponse")
          OR destination_type IN
            ("Response", "DocumentationResponse", "InterviewResponse",
             "PopulationSampleResponse")
        """)
  
  
  def downgrade():
    """Downgrade database schema and/or data back to the previous revision."""
    pass
  
subject: Fix lint warnings