From 8944e116c42ee2c9562b9cc8dfd5ea67fe8b9e23 Mon Sep 17 00:00:00 2001
From: nkchocoai <nkai3359@gmail.com>
Date: Sat, 27 Jan 2024 16:26:04 +0900
Subject: [PATCH] Join without empty strings

---
 py/node/format.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/py/node/format.py b/py/node/format.py
index d476148..5ca1105 100644
--- a/py/node/format.py
+++ b/py/node/format.py
@@ -44,5 +44,6 @@ class PromptUtilitiesJoinStringList(BaseNode):
     FUNCTION = "join"
 
     def join(self, separator, **kwargs):
-        result = separator.join(kwargs.values())
+        # join without empty strings.
+        result = separator.join([s for s in kwargs.values() if s])
         return (result,)
\ No newline at end of file