fix(bedrock): build response field paths as an immutable sequence to satisfy the type discipline gate

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

litellm/llms/bedrock/chat/converse_transformation.py

@@ -1618,7 +1618,7 @@ class AmazonConverseConfig(BaseConfig):
         if additional_request_params:
             data["additionalModelRequestFields"] = additional_request_params
             if "thinking" in additional_request_params:
-                data["additionalModelResponseFieldPaths"] = ["/usage/output_tokens_details"]
+                data["additionalModelResponseFieldPaths"] = ("/usage/output_tokens_details",)
         if system_content_blocks:
             data["system"] = system_content_blocks
 

litellm/types/llms/bedrock.py

@@ -1,4 +1,5 @@
 import json
+from collections.abc import Sequence
 from enum import Enum
 from typing import TYPE_CHECKING, Any, Final, Literal
 
@@ -396,7 +397,7 @@ class OutputConfigBlock(TypedDict, total=False):
 
 class CommonRequestObject(TypedDict, total=False):  # common request object across sync + async flows
     additionalModelRequestFields: dict
-    additionalModelResponseFieldPaths: list[str]
+    additionalModelResponseFieldPaths: Sequence[str]
     inferenceConfig: InferenceConfig
     system: list[SystemContentBlock]
     toolConfig: ToolConfigBlock

tests/test_litellm/llms/bedrock/chat/test_converse_transformation.py

@@ -401,7 +401,7 @@ def test_thinking_request_adds_output_tokens_details_response_path():
         headers={},
     )
 
-    assert result["additionalModelResponseFieldPaths"] == ["/usage/output_tokens_details"]
+    assert result["additionalModelResponseFieldPaths"] == ("/usage/output_tokens_details",)
 
 
 def test_request_without_thinking_omits_response_field_paths():

type-discipline-budget.json

@@ -1,6 +1,6 @@
 {
   "LIT001": {
-    "limit": 22805
+    "limit": 22804
   },
   "LIT002": {
     "limit": 26873