From ba877956b94b1663ce6d38168eea48da8dd6bfca Mon Sep 17 00:00:00 2001
From: Toke Stuart Jepsen <tokejepsen@gmail.com>
Date: Wed, 5 Jul 2023 09:17:53 +0100
Subject: [PATCH] Fix collecting arnold prefix when none

---
 openpype/hosts/maya/api/lib_renderproducts.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/openpype/hosts/maya/api/lib_renderproducts.py b/openpype/hosts/maya/api/lib_renderproducts.py
index a6bcd003a5..4f52372f06 100644
--- a/openpype/hosts/maya/api/lib_renderproducts.py
+++ b/openpype/hosts/maya/api/lib_renderproducts.py
@@ -528,6 +528,9 @@ class RenderProductsArnold(ARenderProducts):
     def get_renderer_prefix(self):
 
         prefix = super(RenderProductsArnold, self).get_renderer_prefix()
+        if prefix is None:
+            return ""
+
         merge_aovs = self._get_attr("defaultArnoldDriver.mergeAOVs")
         if not merge_aovs and "<renderpass>" not in prefix.lower():
             # When Merge AOVs is disabled and <renderpass> token not present