Save a line here?
```python
    return render(request, 'browse/language_tools.html',
                  {'locales': list(locales), 'lang_addons': list(lang_addons),
                  'search_cat': '%s,0' % amo.ADDON_DICT,
                  #pass keys separately so only IDs get cached
                  'addons': addon_ids})
```