From 95a52231be11f77b8196b8cbd18af792676db7ea Mon Sep 17 00:00:00 2001
From: KnugiHK <24708955+KnugiHK@users.noreply.github.com>
Date: Sat, 24 Jan 2026 00:03:08 +0800
Subject: [PATCH] Fix the returning string for empty filter list

---
 Whatsapp_Chat_Exporter/utility.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Whatsapp_Chat_Exporter/utility.py b/Whatsapp_Chat_Exporter/utility.py
index f9a5da4..cfd00bf 100644
--- a/Whatsapp_Chat_Exporter/utility.py
+++ b/Whatsapp_Chat_Exporter/utility.py
@@ -400,7 +400,7 @@ def get_chat_condition(filter: Optional[List[str]], include: bool, columns: List
     Raises:
         ValueError: If the column count is invalid or an unsupported platform is provided.
     """
-    if filter is not None:
+    if filter is not None and len(filter) > 0:
         conditions = []
         if len(columns) < 2 and jid is not None:
             raise ValueError(