Ensure all items of array are checked for uniqueness

DrGFreeman · DrGFreeman · commit 1085b27490c1 · 2021-11-03T20:19:56.000-04:00
Fix bug where the function would return (True) early if the first two items of
the array are unique, preventing verification of other array items.
diff --git a/jsonschema/_utils.py b/jsonschema/_utils.py
@@ -188,7 +188,8 @@ def uniq(container):
         sliced = itertools.islice(sort, 1, None)
 
         for i, j in zip(sort, sliced):
-            return not _sequence_equal(i, j)
+            if _sequence_equal(i, j):
+                return False
 
     except (NotImplementedError, TypeError):
         seen = []
