fix: remove duplicate test and clean up comment encoding

litellm/batches/batch_utils.py

@@ -546,7 +546,7 @@ def _translate_anthropic_batch_item_to_openai(item: dict) -> dict:
     """
     result = item.get("result", {})
     if result.get("type") != "succeeded":
-        # failed/errored items — return as-is so _batch_response_was_successful
+        # failed/errored items return as-is so _batch_response_was_successful
         # correctly treats them as non-200
         return item
 

tests/test_litellm/llms/anthropic/files/test_anthropic_files_transformation.py

@@ -326,18 +326,6 @@ class TestAnthropicFilesConfig:
         assert url == f"{ANTHROPIC_FILES_API_BASE}/v1/messages/batches/msgbatch_abc123/results"
         assert params == {}
 
-    def test_transform_file_content_request_msgbatch_routes_to_batch_endpoint(self):
-        """msgbatch_* IDs must route to batch results endpoint not Files API.
-        Ref: https://github.com/BerriAI/litellm/issues/27944
-        """
-        url, params = self.config.transform_file_content_request(
-            file_content_request={"file_id": "msgbatch_abc123"},
-            optional_params={},
-            litellm_params={},
-        )
-        assert url == f"{ANTHROPIC_FILES_API_BASE}/v1/messages/batches/msgbatch_abc123/results"
-        assert params == {}
-
     def test_transform_file_content_response(self):
         mock_response = Mock(spec=httpx.Response)
         result = self.config.transform_file_content_response(

tests/test_litellm/llms/anthropic/test_anthropic_batch_translation.py

@@ -33,7 +33,7 @@ def test_translate_failed_item_passes_through():
         "result": {"type": "errored", "error": {"type": "server_error"}},
     }
     result = _translate_anthropic_batch_item_to_openai(item)
-    # failed items pass through unchanged — no response.status_code == 200
+    # failed items pass through unchanged; no response.status_code == 200
     assert result == item