Fixed minor issues after a refactor.

searchlib.py

@@ -170,11 +170,11 @@ def query_day(date, preloadurls=None):
     return res
 
 def _query_day_and_fetch(date, cookiejar, seenurls_mut):
-    qresults = query_for_date(d, cookiejar)
+    qresults = query_for_date(date, cookiejar)
 
     dayresults = []
     for rurl, rtitle in qresults:
-        if rurl in seenurls:
+        if rurl in seenurls_mut:
             continue
         seenurls_mut.add(rurl)
 
@@ -199,7 +199,8 @@ def fetch_article(url):
         return None
 
     fa['u'] = url
-    fa['t'] = fa['nt']
+    if 'nt' in fa:
+        fa['t'] = fa['nt']
 
     return fa