diff --git a/www/conservancy/feeds.py b/www/conservancy/feeds.py
index 9e30db8bee80e450273272b1b96ece16f835ba91..698e41d1aeef014a13da4f191fbb50d755714943 100644
--- a/www/conservancy/feeds.py
+++ b/www/conservancy/feeds.py
@@ -8,6 +8,7 @@ from datetime import datetime
 
 import itertools
 import operator
+from functools import reduce
 
 class ConservancyFeedBase(Feed):
     def copyright_holder(self): return "Software Freedom Conservancy"
@@ -171,7 +172,7 @@ class BlogFeed(ConservancyFeedBase):
             firstTime = True
             done = {}
             for tag in tags:
-                if done.has_key(tag): continue
+                if tag in done: continue
                 if firstTime:
                     answer += " ("
                     firstTime = False
@@ -198,7 +199,7 @@ class BlogFeed(ConservancyFeedBase):
         elif len(tags) > 1:
             firstTime = True
             for tag in tags:
-                if done.has_key(tag): continue
+                if tag in done: continue
                 if firstTime:
                     answer += " tagged with "
                     firstTime = False