From b10b90b0a3947bea98e3646e7d29f853f3b5c6f7 Mon Sep 17 00:00:00 2001
From: Gilles <erans@apache.org>
Date: Fri, 4 Sep 2015 17:19:48 +0200
Subject: [PATCH] Missing import.

---
 .../commons/math4/ml/neuralnet/twod/NeuronSquareMesh2DTest.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/test/java/org/apache/commons/math4/ml/neuralnet/twod/NeuronSquareMesh2DTest.java b/src/test/java/org/apache/commons/math4/ml/neuralnet/twod/NeuronSquareMesh2DTest.java
index 646ecf60e..d233b24fb 100644
--- a/src/test/java/org/apache/commons/math4/ml/neuralnet/twod/NeuronSquareMesh2DTest.java
+++ b/src/test/java/org/apache/commons/math4/ml/neuralnet/twod/NeuronSquareMesh2DTest.java
@@ -23,6 +23,7 @@ import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.util.Collection;
+import java.util.Set;
 import java.util.HashSet;
 
 import org.apache.commons.math4.exception.NumberIsTooSmallException;