new_contents: # coding=utf-8
  """fix providers_str
  
  Revision ID: 53f4e74ce460
  Revises: 176e169bf976
  Create Date: 2014-06-30 19:27:16.307718
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '53f4e74ce460'
  down_revision = '176e169bf976'
  
  import datetime
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      op.execute(
          "update ref set providers_str = 'hh' where providers_str = 'glottolog20121, hh'")
  
  
  def downgrade():
      pass
  
subject: fix leftover from refs cleanup