one useless fix, one valid fix

mkt/lookup/templates/lookup/app_summary.html

@@ -35,7 +35,7 @@
           {{ amo.ADDON_TYPE[app.type] }};
           {{ amo.ADDON_PREMIUM_TYPES[app.premium_type] }}
           {% if price %}
-            ({{ price.get_tier_name() }})
+            ({{ price.tier_locale() }})
           {% endif %}
         </dd>
         <dt>{{ _('Submitted') }}</dt>

mkt/site/helpers.py

@@ -152,13 +152,9 @@ def product_as_dict(request, product, purchased=None, receipt_type=None,
         ret.update({'previews': previews})
 
     if product.has_price():
-        # Note: These should really not be doing this, if get_price
-        # or get_price_locale is empty it means there is no price for this
-        # region.
         ret.update({
-            'price': product.get_price(region=request.REGION.id) or '0',
-            'priceLocale': (product.get_price_locale(region=request.REGION.id)
-                            or _('Free')),
+            'price': product.get_price(region=request.REGION.id),
+            'priceLocale': product.get_price_locale(region=request.REGION.id),
         })
 
         if request.amo_user:

mkt/site/templates/site/tiles/app.html

@@ -25,7 +25,7 @@
       {{ market_button(product, classes=classes) }}
       <div class="author lineclamp vital">{{ product.current_version.developer_name }}</div>
     {%- endif %}
-    <div class="price vital">{{ product.get_price_locale(region=request.REGION.id) or _('Free') }}</div>
+    <div class="price vital">{% if product.is_premium() %}{{ product.get_price_locale(region=request.REGION.id) }}{% else %}Free{% endif %}</div>
     <div class="rating vital{{ ' unrated' if not product.total_reviews }}">
       {%- if tag != "a" -%}
         <a href="{{ product.get_ratings_url() }}" class="rating_link">

mkt/site/tests/test_helpers.py

@@ -99,9 +99,8 @@ class TestMarketButton(amo.tests.TestCase):
         # The region is set to Spain, so the currency is set EUR
         # and the display is set to French.
         with self.activate('fr'):
-            # TODO bug: 878215, find what the answer here is.
-            with self.assertRaises(KeyError):
-                market_tile(self.context, self.webapp)
+            doc = pq(market_tile(self.context, self.webapp))
+            eq_(doc('.price').text(), '')
 
     def test_is_premium_purchased(self):
         AddonPurchase.objects.create(user=self.user, addon=self.webapp)