original_docstring: 
      Add an attribute for the given account name.
  
      :param account: the account to add the attribute to.
      :param key: the key for the new attribute.
      :param session: The database session in use.
      
docstring: Add an attribute for the given account name.
docstring_tokens: Add an attribute for the given account name .
code: def del_account_attribute(account, key, session=None):
      """
      Add an attribute for the given account name.
  
      :param account: the account to add the attribute to.
      :param key: the key for the new attribute.
      :param session: The database session in use.
      """
      aid = session.query(models.AccountAttrAssociation).filter_by(key=key, account=account).first()
      if aid is None:
          raise exception.AccountNotFound('Attribute ({0}) does not exist for the account {1}!'.format(key, account))
      aid.delete(session=session)
code_tokens: def del_account_attribute ( account , key , session = None ) : aid = session . query ( models . AccountAttrAssociation ) . filter_by ( key = key , account = account ) . first ( ) if aid is None : raise exception . AccountNotFound ( 'Attribute ({0}) does not exist for the account {1}!' . format ( key , account ) ) aid . delete ( session = session )
short_docstring: Add an attribute for the given account name.
short_docstring_tokens: Add an attribute for the given account name .
comment: """
      Add an attribute for the given account name.
  
      :param account: the account to add the attribute to.
      :param key: the key for the new attribute.
      :param session: The database session in use.
      """