diff --git a/recipes/pravo.recipe b/recipes/pravo.recipe
index 07bd562852..e5715b2aeb 100644
--- a/recipes/pravo.recipe
+++ b/recipes/pravo.recipe
@@ -38,8 +38,8 @@ class pravo(BasicNewsRecipe):
             articles.append(self.parse_page(feed))
         return articles
 
-    def parse_page(self, xxx_todo_changeme):
-        (feed_title, url) = xxx_todo_changeme
+    def parse_page(self, title_and_url):
+        (feed_title, url) = title_and_url
         articles = []
 
         soup = self.index_to_soup(url)
diff --git a/src/calibre/ebooks/covers.py b/src/calibre/ebooks/covers.py
index 8eb9013a2f..6e6911cf01 100644
--- a/src/calibre/ebooks/covers.py
+++ b/src/calibre/ebooks/covers.py
@@ -174,8 +174,8 @@ class Block(object):
         def fget(self):
             return self._position
 
-        def fset(self, xxx_todo_changeme):
-            (x, y) = xxx_todo_changeme
+        def fset(self, new_pos):
+            (x, y) = new_pos
             self._position = Point(x, y)
             if self.layouts:
                 self.layouts[0].setPosition(QPointF(x, y))