From 8f50b616c5093b4a8a4162b29c01538cd5f980bf Mon Sep 17 00:00:00 2001
From: Erick Friis <erick@langchain.dev>
Date: Fri, 6 Oct 2023 12:12:44 -0700
Subject: [PATCH] Remove optional from vectara source (#11493)

fyi @ofermend

---------

Co-authored-by: Ofer Mendelevitch <ofer@vectara.com>
Co-authored-by: Ofer Mendelevitch <ofermend@gmail.com>
---
 libs/langchain/langchain/vectorstores/vectara.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/langchain/langchain/vectorstores/vectara.py b/libs/langchain/langchain/vectorstores/vectara.py
index ed3ffedf66..162f8cd169 100644
--- a/libs/langchain/langchain/vectorstores/vectara.py
+++ b/libs/langchain/langchain/vectorstores/vectara.py
@@ -39,7 +39,7 @@ class Vectara(VectorStore):
         vectara_corpus_id: Optional[str] = None,
         vectara_api_key: Optional[str] = None,
         vectara_api_timeout: int = 60,
-        source: Optional[str] = "langchain",
+        source: str = "langchain",
     ):
         """Initialize with Vectara API."""
         self._vectara_customer_id = vectara_customer_id or os.environ.get(