fix(structured outputs): avoid including beta header if output_format is missing (#1121)

* fix(structured outputs): avoid including beta header if output_format is missing

* fix ci

* fix condition

Author: karpetrosyan

src/anthropic/resources/beta/messages/messages.py

@@ -1113,7 +1113,7 @@ def parse(
 
         betas = [beta for beta in betas] if is_given(betas) else []
 
-        if "structured-outputs-2025-11-13" not in betas:
+        if "structured-outputs-2025-11-13" not in betas and is_given(output_format):
             # Ensure structured outputs beta is included for parse method
             betas.append("structured-outputs-2025-11-13")
 
@@ -2789,7 +2789,7 @@ async def parse(
             )
         betas = [beta for beta in betas] if is_given(betas) else []
 
-        if "structured-outputs-2025-11-13" not in betas:
+        if "structured-outputs-2025-11-13" not in betas and is_given(output_format):
             # Ensure structured outputs beta is included for parse method
             betas.append("structured-outputs-2025-11-13")
 

src/anthropic/types/beta/messages/batch_create_params.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import List, Literal, Iterable
+from typing import List, Iterable
 from typing_extensions import Required, Annotated, TypedDict
 
 from ...._utils import PropertyInfo
@@ -28,8 +28,6 @@ class RequestParamsOutputFormat(TypedDict, total=False):
     """The JSON schema of the format"""
 
 
-
-
 class Request(TypedDict, total=False):
     custom_id: Required[str]
     """Developer-provided ID created for each request in a Message Batch.