Fix LIST NEWSGROUPS output format to comply to RFC 3977

lib/nntp/tiny/session.py

@@ -293,7 +293,10 @@ class Session(Connection):
         for name in self.server.newsgroups:
             newsgroup = self.server.newsgroups[name]
 
-            self.print_newsgroup(newsgroup)
+            self.print("%s %s" % (
+                newsgroup.name,
+                newsgroup.description
+            ))
 
         return self.end()