From 90118562d8d3e40ef8f7626b65affa7ce772c62c Mon Sep 17 00:00:00 2001
From: Daulet Amirkhanov <damirkhanov01@gmail.com>
Date: Wed, 22 Oct 2025 17:19:36 +0100
Subject: [PATCH] `cognee.add()` - add more explicit check for empty
 `preferred_loaders` param

---
 cognee/api/v1/add/add.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cognee/api/v1/add/add.py b/cognee/api/v1/add/add.py
index 3f3331899..a521b316b 100644
--- a/cognee/api/v1/add/add.py
+++ b/cognee/api/v1/add/add.py
@@ -164,7 +164,7 @@ async def add(
         - TAVILY_API_KEY: YOUR_TAVILY_API_KEY
 
     """
-    if preferred_loaders:
+    if preferred_loaders is not None:
         transformed = {}
         for item in preferred_loaders:
             if isinstance(item, dict):