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-rw-r--r--wqflask/wqflask/metadata_edits.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/wqflask/wqflask/metadata_edits.py b/wqflask/wqflask/metadata_edits.py
index 7b921a6d..141a6711 100644
--- a/wqflask/wqflask/metadata_edits.py
+++ b/wqflask/wqflask/metadata_edits.py
@@ -514,12 +514,12 @@ def list_diffs():
 
     def __filter_authorised__(diffs, auth_details):
         """Retain only those diffs that the current user has edit access to."""
-        return [
-            diff for diff in diffs
+        return list({
+            diff["filepath"]: diff for diff in diffs
             for auth in auth_details
             if (diff["diff"]["dataset_name"] == auth["dataset_name"]
-                and
-                diff["diff"]["trait_name"] == auth["trait_name"]) ]
+                 and
+                 diff["diff"]["trait_name"] == auth["trait_name"]) }.values())
 
     def __organise_diffs__(acc, item):
         if item["filepath"].name.endswith(".rejected"):