title: Get company company's currency_id in qweb report Odoo 10
body: <p>I need to use company currency id in qweb report. i tried below codes, but nothing worked. Getting an error:<br>
  AttributeError: 'NoneType' object has no attribute 'id'</p>
  
  <pre><code>&lt;span t-esc="company.id"/&gt;
  
  &lt;span t-esc="o.company.id"/&gt;
  </code></pre>