old_contents: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from xml.etree import ElementTree
  
  from odoo.http import Controller, route, request
  
  
  class Board(Controller):
  
      @route('/board/add_to_dashboard', type='json', auth='user')
      def add_to_dashboard(self, action_id, context_to_save, domain, view_mode, name=''):
          # Retrieve the 'My Dashboard' action from its xmlid
          action = request.env.ref('board.open_board_my_dash_action')
  
          if action and action['res_model'] == 'board.board' and action['views'][0][1] == 'form' and action_id:
              # Maybe should check the content instead of model board.board ?
              view_id = action['views'][0][0]
              board = request.env['board.board'].fields_view_get(view_id, 'form')
              if board and 'arch' in board:
                  xml = ElementTree.fromstring(board['arch'])
                  column = xml.find('./board/column')
                  if column is not None:
                      new_action = ElementTree.Element('action', {
                          'name': str(action_id),
                          'string': name,
                          'view_mode': view_mode,
                          'context': str(context_to_save),
                          'domain': str(domain)
                      })
                      column.insert(0, new_action)
                      arch = ElementTree.tostring(xml, encoding='unicode')
                      request.env['ir.ui.view.custom'].create({
                          'user_id': request.session.uid,
                          'ref_id': view_id,
                          'arch': arch
                      })
                      return True
  
          return False
  
new_contents: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from lxml import etree as ElementTree
  
  from odoo.http import Controller, route, request
  
  
  class Board(Controller):
  
      @route('/board/add_to_dashboard', type='json', auth='user')
      def add_to_dashboard(self, action_id, context_to_save, domain, view_mode, name=''):
          # Retrieve the 'My Dashboard' action from its xmlid
          action = request.env.ref('board.open_board_my_dash_action')
  
          if action and action['res_model'] == 'board.board' and action['views'][0][1] == 'form' and action_id:
              # Maybe should check the content instead of model board.board ?
              view_id = action['views'][0][0]
              board = request.env['board.board'].fields_view_get(view_id, 'form')
              if board and 'arch' in board:
                  xml = ElementTree.fromstring(board['arch'])
                  column = xml.find('./board/column')
                  if column is not None:
                      new_action = ElementTree.Element('action', {
                          'name': str(action_id),
                          'string': name,
                          'view_mode': view_mode,
                          'context': str(context_to_save),
                          'domain': str(domain)
                      })
                      column.insert(0, new_action)
                      arch = ElementTree.tostring(xml, encoding='unicode')
                      request.env['ir.ui.view.custom'].create({
                          'user_id': request.session.uid,
                          'ref_id': view_id,
                          'arch': arch
                      })
                      return True
  
          return False
  
subject: fix lxml import after P3 migration