just to make it more readable

src/emqttd_cli.erl

@@ -471,7 +471,7 @@ print({{ClientId, _ClientPid}, SessInfo}) ->
            "message_queue=~w, message_dropped=~w, "
            "awaiting_rel=~w, awaiting_ack=~w, awaiting_comp=~w, "
            "created_at=~w)~n",
-            [ClientId | [format(Key, proplists:get_value(Key, SessInfo)) || Key <- InfoKeys]]).
+            [ClientId | [format(Key, get_value(Key, SessInfo)) || Key <- InfoKeys]]).
 
 print(topic, Topic, Records) ->
     Nodes = [Node || #mqtt_topic{node = Node} <- Records],

src/emqttd_session.erl

@@ -700,8 +700,8 @@ sess_info(#session{clean_sess      = CleanSess,
     [{clean_sess,     CleanSess},
      {max_inflight,   MaxInflight},
      {inflight_queue, length(InflightQueue)},
-     {message_queue,  proplists:get_value(len, Stats)},
+     {message_queue,  get_value(len, Stats)},
-     {message_dropped,proplists:get_value(dropped, Stats)},
+     {message_dropped,get_value(dropped, Stats)},
      {awaiting_rel,   maps:size(AwaitingRel)},
      {awaiting_ack,   maps:size(AwaitingAck)},
      {awaiting_comp,  maps:size(AwaitingComp)},

src/emqttd_topic.erl

@@ -16,8 +16,6 @@
 
 -module(emqttd_topic).
 
--import(lists, [reverse/1]).
- 
 -export([match/2, validate/1, triples/1, words/1, wildcard/1]).
 
 -export([join/1, feed_var/3, is_queue/1, systop/1]).
@@ -113,7 +111,7 @@ triples(Topic) when is_binary(Topic) ->
     triples(words(Topic), root, []).
 
 triples([], _Parent, Acc) ->
-    reverse(Acc);
+    lists:reverse(Acc);
 
 triples([W|Words], Parent, Acc) ->
     Node = join(Parent, W),