From daf3e99b9623e28e9fba2ce7704d7a647ca062bb Mon Sep 17 00:00:00 2001
From: Paul-Emile Brotons <38215315+P-E-B@users.noreply.github.com>
Date: Tue, 6 Jun 2023 23:22:23 +0200
Subject: [PATCH] fixing from_documents method of the MongoDB Atlas vector
 store (#5794)

FIxed a bug in from_documents method --> Collection objects do not
implement truth value testing or bool().
@dev2049
---
 langchain/vectorstores/mongodb_atlas.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/langchain/vectorstores/mongodb_atlas.py b/langchain/vectorstores/mongodb_atlas.py
index 78df5317..7a16a6e0 100644
--- a/langchain/vectorstores/mongodb_atlas.py
+++ b/langchain/vectorstores/mongodb_atlas.py
@@ -262,7 +262,7 @@ class MongoDBAtlasVectorSearch(VectorStore):
                     collection=collection
                 )
         """
-        if not collection:
+        if collection is None:
             raise ValueError("Must provide 'collection' named parameter.")
         vecstore = cls(collection, embedding, **kwargs)
         vecstore.add_texts(texts, metadatas=metadatas)