diff --git a/packages/python/e2e-attestations/claude-1221-notebook-xfail-nonstrict.json b/packages/python/e2e-attestations/claude-1221-notebook-xfail-nonstrict.json
new file mode 100644
index 000000000..aa27c9f72
--- /dev/null
+++ b/packages/python/e2e-attestations/claude-1221-notebook-xfail-nonstrict.json
@@ -0,0 +1,7 @@
+{
+  "command": "just test-e2e",
+  "ran_at": 1790954117,
+  "exit_code": 0,
+  "commit": "01584efd421785ae68f0fe3b9e92e80a164404a2",
+  "branch": "claude/1221-notebook-xfail-nonstrict"
+}
diff --git a/packages/python/tests/e2e/use_case_notebook_test.py b/packages/python/tests/e2e/use_case_notebook_test.py
index fa394480f..4a2b0cbca 100644
--- a/packages/python/tests/e2e/use_case_notebook_test.py
+++ b/packages/python/tests/e2e/use_case_notebook_test.py
@@ -95,7 +95,7 @@ def root(tmp_path):
             shutil.rmtree(tree, ignore_errors=True)
 
     @pytest.mark.xfail(
-        strict=True,
+        strict=False,
         reason="ingesting the parser's JSON rows is slower than a second interpreter's json.load and sort",
     )
     def it_matches_native_rows_within_the_bar(root):