ntp_snippets: fix ./fetch.py --short

components/ntp_snippets/remote/fetch.py

Index: components/ntp_snippets/remote/fetch.py
diff --git a/components/ntp_snippets/remote/fetch.py b/components/ntp_snippets/remote/fetch.py
index 48f448a3ec72d11d37e4340f7bdf22c574ab72e3..aa753f3e7e4728cff5af1d46f610375ff3b0fe71 100755
--- a/components/ntp_snippets/remote/fetch.py
+++ b/components/ntp_snippets/remote/fetch.py
@@ -195,9 +195,9 @@ def Authenticate(args, headers, client_id, client_secret):
   creds.apply(headers)
 
 
-def PrintShortResponse(r):
+def PrintShortResponse(j):
   now = datetime.datetime.now()
-  for category in r.json()["categories"]:
+  for category in j["categories"]:
     print("%s: " % category["localizedTitle"])
     for suggestion in category["suggestions"]:
       attribution = suggestion["attribution"]