...

recipes/strange_horizons.recipe

@@ -21,11 +21,11 @@ class StrangeHorizons(BasicNewsRecipe):
     resolve_internal_links = True
     oldest_article = 7
 
-    extra_css = """
+    extra_css = '''
         .author-biographies, .content-warning-container-ltr, .category {font-size:small; font-style:italic; font-color:#404040;}
         .byline {font-size:small; font-color:#202020;}
         img {display:block; margin:0 auto;}
-    """
+    '''
 
     recipe_specific_options = {
         'days': {
@@ -41,8 +41,6 @@ class StrangeHorizons(BasicNewsRecipe):
         if d and isinstance(d, str):
             self.oldest_article = float(d)
 
-    ignore_duplicate_articles = {'url'}
-
     keep_only_tags = remove_tags_after = [dict(name='div', attrs={'class': 'post'})]
 
     remove_tags = [dict(name='button'), classes('font-size sharedaddy comments-form-row')]