From f5092744352076cd3e9ef2fb88f0a0811e043443 Mon Sep 17 00:00:00 2001
From: Jamie Broomall <jamie@whylabs.ai>
Date: Tue, 24 Oct 2023 13:41:52 -0700
Subject: [PATCH] Add nltk.download of punkt to the response_hallucination init

---
 langkit/response_hallucination.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/langkit/response_hallucination.py b/langkit/response_hallucination.py
index 4d949f07..b67ed7c2 100644
--- a/langkit/response_hallucination.py
+++ b/langkit/response_hallucination.py
@@ -243,6 +243,9 @@ def consistency_check(
 
 def init(llm: LLMInvocationParams, num_samples=1):
     global checker
+    import nltk
+
+    nltk.download("punkt")
     diagnostic_logger.info(
         "Info: the response_hallucination metric module performs additionall LLM calls to check the consistency of the response."
     )