Fix raising validation errors when streaming (#24)

Author: vrslev

any_llm_client/clients/openai.py

@@ -263,7 +263,7 @@ async def _iter_response_chunks(self, response: httpx.Response) -> typing.AsyncI
                 validated_response = ChatCompletionsStreamingEvent.model_validate_json(event.data)
             except pydantic.ValidationError as validation_error:
                 raise LLMResponseValidationError(
-                    response_content=response.content, original_error=validation_error
+                    response_content=event.data.encode(), original_error=validation_error
                 ) from validation_error
 
             if not (

any_llm_client/clients/yandexgpt.py

@@ -190,7 +190,7 @@ async def _iter_response_chunks(self, response: httpx.Response) -> typing.AsyncI
                 validated_response = YandexGPTResponse.model_validate_json(one_line)
             except pydantic.ValidationError as validation_error:
                 raise LLMResponseValidationError(
-                    response_content=response.content, original_error=validation_error
+                    response_content=one_line.encode(), original_error=validation_error
                 ) from validation_error
 
             response_text = validated_response.result.alternatives[0].message.text