fix: resolve incorrect import

Author: jake-marsden

src/api/models/bedrock.py

@@ -14,7 +14,7 @@
 import tiktoken
 from botocore.config import Config
 from fastapi import HTTPException
-from langfuse import observe, langfuse_context
+from langfuse.decorators import observe, langfuse_context
 from starlette.concurrency import run_in_threadpool
 
 from api.models.base import BaseChatModel, BaseEmbeddingsModel

src/requirements.txt

@@ -7,4 +7,4 @@ requests==2.32.4
 numpy==2.2.5
 boto3==1.40.4
 botocore==1.40.4
-langfuse
+langfuse>=2.0.0