From 327a38380545fd2e7c979262991183a1cd871ff9 Mon Sep 17 00:00:00 2001
From: dzil123 <5725958+dzil123@users.noreply.github.com>
Date: Wed, 27 Nov 2019 23:44:37 -0800
Subject: [PATCH] B: Still save nodetree as json when no import because
 non-sideeffected

---
 opsi/webserver/serialize.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/opsi/webserver/serialize.py b/opsi/webserver/serialize.py
index 07eadeb..39d0044 100644
--- a/opsi/webserver/serialize.py
+++ b/opsi/webserver/serialize.py
@@ -384,7 +384,9 @@ def _remove_unneeded_nodes(program, nodetree: NodeTreeN):
 
     # Finally, remove those nodes that weren't visited
     nodes = [node for node in nodetree.nodes if node.id in visited]
-    nodetree.nodes = nodes
+
+    # make a copy of nodetree to fix broken json save
+    nodetree = NodeTreeN(nodes=nodes)
 
     return nodetree