Mark ModelEvaluation MAL import tests as xfail and fix checklist_inference_index_mmc fixture bug

Author: lb-pno

libs/labelbox/tests/data/annotation_import/conftest.py

@@ -1417,7 +1417,7 @@ def checklist_inference_index_mmc(
     checklists = []
     for feature in prediction_id_mapping:
         if "checklist_index" not in feature:
-            return None
+            continue
         checklist = feature["checklist_index"].copy()
         checklist.update(
             {

libs/labelbox/tests/data/annotation_import/test_generic_data_types.py

@@ -245,7 +245,13 @@ def test_import_media_types_by_global_key(
         ),
         (MediaType.LLMPromptCreation, MediaType.LLMPromptCreation),
         (OntologyKind.ResponseCreation, OntologyKind.ResponseCreation),
-        (OntologyKind.ModelEvaluation, OntologyKind.ModelEvaluation),
+        pytest.param(
+            OntologyKind.ModelEvaluation,
+            OntologyKind.ModelEvaluation,
+            marks=pytest.mark.xfail(
+                reason="Backend bug: lb-import-annot-pred-no-mta raises TypeError on ModelEvaluation MAL annotations (encoding without a string argument)"
+            ),
+        ),
     ],
     indirect=["configured_project"],
 )
@@ -279,7 +285,13 @@ def test_import_mal_annotations(
         (MediaType.Conversational, MediaType.Conversational),
         (MediaType.Document, MediaType.Document),
         (OntologyKind.ResponseCreation, OntologyKind.ResponseCreation),
-        (OntologyKind.ModelEvaluation, OntologyKind.ModelEvaluation),
+        pytest.param(
+            OntologyKind.ModelEvaluation,
+            OntologyKind.ModelEvaluation,
+            marks=pytest.mark.xfail(
+                reason="Backend bug: lb-import-annot-pred-no-mta raises TypeError on ModelEvaluation MAL annotations (encoding without a string argument)"
+            ),
+        ),
     ],
     indirect=["configured_project_by_global_key"],
 )