I am following the Ruby on Rails tutorial and have come across a problem while trying to pass variables to partials.

My _user partial is as follows

<li>
  <%= gravatar_for user, size: 52 %>
  <%= link_to user.name, user %>
</li>

I would like to pass in a number for the size value. I am trying as follows without any luck.

<%= render @users, :locals => {:size => 30} %>
ruby-on-rails
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