spree_core <= 0.40.3 has no helper method available_countries

[antage]

With spree_core 0.40.3 this extension invokes error:

ActionView::Template::Error (undefined local variable or method `available_countries' for #<#<Class:0x7fe3f284bec0>:0x7fe3f2843518>):
    2:   <p id="<%= [address_name, field].join('_') %>" class="field">
    3:     <% if field == "country" %>
    4:       <%= address_form.label :country_id, t(field, :scope => [:activerecord, :attributes, :address]) %>
    5:       <span><%= address_form.collection_select :country_id, available_countries, :id, :name, {}, {:class => 'required'} %></span>
    6:       <span class="req">*</span>
    7:     <% elsif field == "state" && Spree::Config[:address_requires_state] %>
    8:       <%= address_form.label :state_id, t(field, :scope => [:activerecord, :attributes, :address]) %>

[romul]

As workaround, code of this helper can be copied to ApplicationHelper. In any way Spree 0.30.x & 0.40.x are not recommended for use atm.

[antage]

I think this issue is outdated.