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-rw-r--r--src/server/model/graph.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/server/model/graph.py b/src/server/model/graph.py
index 403154e3..3c408cc2 100644
--- a/src/server/model/graph.py
+++ b/src/server/model/graph.py
@@ -1,3 +1,5 @@
+import json
+
class Attr_Diff(dict):
"""
Represents a change to note attributes, where nodes can represent