From 558e185e4fc40e0fe301ab92d38550a302a350ff Mon Sep 17 00:00:00 2001
From: aminediro <amine.dirhoussi@huggingface.co>
Date: Wed, 30 Sep 2026 08:38:34 +0000
Subject: [PATCH] Handle None message content in
 print_prompt_completions_sample

---
 trl/trainer/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trl/trainer/utils.py b/trl/trainer/utils.py
index dda61adfd88..ed1f896bb3c 100644
--- a/trl/trainer/utils.py
+++ b/trl/trainer/utils.py
@@ -774,7 +774,7 @@ def format_entry(entry) -> Text:
                         t.append(reasoning, style="italic dim white")
                         t.append("\n")
                     if "content" in msg:
-                        t.append(msg["content"])
+                        t.append(msg["content"] or "")
                 elif "name" in msg and "args" in msg:
                     # Tool call
                     t.append(f"{role.upper()}\n", style="bold red")