From 05b2d8faafe58019a4786575cd753cac86cf8bb3 Mon Sep 17 00:00:00 2001
From: martinsumner <martin.sumner@adaptip.co.uk>
Date: Thu, 9 Feb 2017 21:12:01 +0000
Subject: [PATCH] is_empty not in OTP16

bloody OTP16 strikes again - is_empty isn't there
---
 src/leveled_pclerk.erl | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/leveled_pclerk.erl b/src/leveled_pclerk.erl
index 98b2c3b..bf356fc 100644
--- a/src/leveled_pclerk.erl
+++ b/src/leveled_pclerk.erl
@@ -225,14 +225,13 @@ do_merge(KL1, KL2, SinkLevel, SinkB, RP, NewSQN, MaxSQN, Additions) ->
 
 
 return_deletions(ManifestSQN, PendingDeletionD) ->
-    case dict:is_empty(PendingDeletionD) of
-        true ->
-            leveled_log:log("PC020", [ManifestSQN]),
-            {[], PendingDeletionD};
-        false ->
+    case dict:find(ManifestSQN, PendingDeletionD) of
+        {ok, PendingDeletions} ->
             leveled_log:log("PC021", [ManifestSQN]),
-            {dict:fetch(ManifestSQN, PendingDeletionD),
-                dict:erase(ManifestSQN, PendingDeletionD)}
+            {PendingDeletions, dict:erase(ManifestSQN, PendingDeletionD)};
+        error ->
+            leveled_log:log("PC020", [ManifestSQN]),
+            {[], PendingDeletionD}
     end.
 
 %%%============================================================================