From a53a79dbdb26e7bbfc0281b34f58cef44244f9ad Mon Sep 17 00:00:00 2001
From: Taylor Smock <taylor.smock@kaart.com>
Date: Thu, 4 Jun 2020 14:58:10 -0600
Subject: [PATCH] FIXUP: Avoid a ConcurrentModificationException (fixes #74)

Signed-off-by: Taylor Smock <taylor.smock@kaart.com>
---
 .../josm/plugins/mapwithai/backend/GetDataRunnable.java         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/GetDataRunnable.java b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/GetDataRunnable.java
index 97b8219..09d57fa 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/GetDataRunnable.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/GetDataRunnable.java
@@ -498,7 +498,7 @@ public class GetDataRunnable extends RecursiveTask<DataSet> {
         final DataSet dataSet = new DataSet();
         dataSet.setUploadPolicy(UploadPolicy.DISCOURAGED);
 
-        MapWithAILayerInfo.instance.getLayers().parallelStream().forEach(map -> {
+        new ArrayList<>(MapWithAILayerInfo.instance.getLayers()).parallelStream().forEach(map -> {
             try {
                 Bounds bound = new Bounds(bbox.getBottomRight());
                 bound.extend(bbox.getTopLeft());