{% if step == 'billing_info' %}
  {{ partial('shop-checkout-billing-address') }}
{% elseif step == 'shipping_info' %}
  {{ partial('shop-checkout-shipping-address') }}
{% elseif step == 'shipping_method' %}
  {{ partial('shop-checkout-shippingmethod') }}
{#
{% elseif step == 'review' %}
  {{ partial('shop-checkout-review') }}  
#}
{% elseif step == 'pay' %}
  {{ partial('shop-checkout-pay') }} 
{% endif %}