JAL-2805 check no longer errors if the sequence is actually null (woops)

diff --git a/src/jalview/ext/archaeopteryx/TreeNode.java b/src/jalview/ext/archaeopteryx/TreeNode.java
index 9e1b0d1..69077dc 100644 (file)
--- a/src/jalview/ext/archaeopteryx/TreeNode.java
+++ b/src/jalview/ext/archaeopteryx/TreeNode.java
@@ -29,7 +29,7 @@ public class TreeNode implements TreeNodeI
   private TreeNode(PhylogenyNode aptxNode)
   {
     node = aptxNode;
-    if (!aptxNode.getNodeData().getSequence().isEmpty())
+    if (aptxNode.getNodeData().getSequence() != null)
     {
     nodeSeq = DataConversions
               .createJalviewSequence(aptxNode.getNodeData().getSequence());