old_contents: # -*- coding: utf-8 -*-
  {
      'name': 'Quick add items to shopping cart',
      'version': '1.0.0',
      'author': 'IT-Projects LLC, Ivan Yelizariev',
      'license': 'GPL-3',
      'category': 'eCommerce',
      'website': 'https://twitter.com/yelizariev',
      'price': 9.00,
      'currency': 'EUR',
      'depends': ['website_sale'],
      'images': ['images/shop.png'],
      'data': [
          'website_sale_add_to_cart_views.xml',
      ],
      'installable': True
  }
  
new_contents: # -*- coding: utf-8 -*-
  {
      'name': 'Quick add items to shopping cart',
      'version': '1.0.0',
      'author': 'IT-Projects LLC, Ivan Yelizariev',
      'license': 'GPL-3',
      'category': 'eCommerce',
      'website': 'https://twitter.com/yelizariev',
      'price': 15.00,
      'currency': 'EUR',
      'depends': ['website_sale'],
      'images': ['images/shop.png'],
      'data': [
          'website_sale_add_to_cart_views.xml',
      ],
      'installable': True
  }
  
subject: Change price for website_sale_add_to_cart