From e897512ee18dcdeb547c698a052defec03bfd54f Mon Sep 17 00:00:00 2001
From: w-okada <you@example.com>
Date: Mon, 10 Jul 2023 02:27:51 +0900
Subject: [PATCH] Improvement:   - handling unknown model slot

---
 server/voice_changer/VoiceChangerManager.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/voice_changer/VoiceChangerManager.py b/server/voice_changer/VoiceChangerManager.py
index 05c2b872..f2c725f5 100644
--- a/server/voice_changer/VoiceChangerManager.py
+++ b/server/voice_changer/VoiceChangerManager.py
@@ -234,7 +234,8 @@ class VoiceChangerManager(ServerDeviceCallbacks):
             self.voiceChanger.setModel(self.voiceChangerModel)
         else:
             print(f"[Voice Changer] unknown voice changer model: {slotInfo.voiceChangerType}")
-            del self.voiceChangerModel
+            if hasattr(self, "voiceChangerModel"):
+                del self.voiceChangerModel
             return
 
     def update_settings(self, key: str, val: str | int | float):