From 5b833d932ef125a9e67e95c2e0067a6c6e09ddfb Mon Sep 17 00:00:00 2001
From: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Date: Thu, 20 Feb 2025 17:04:35 +0000
Subject: [PATCH] fix: correct type error in error message formatting

Co-Authored-By: Joe Moura <joao@crewai.com>
---
 src/crewai/task.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/crewai/task.py b/src/crewai/task.py
index ee10805d1..e75d5797e 100644
--- a/src/crewai/task.py
+++ b/src/crewai/task.py
@@ -239,7 +239,7 @@ class Task(BaseModel):
                 if not is_valid:
                     raise GuardrailValidationError(
                         f"Invalid return type annotation. Expected one of: "
-                        f"{', '.join(VALID_RETURN_TYPES.keys())}",
+                        f"{', '.join(VALID_RETURN_TYPES)}",
                         {"got": annotation_str}
                     )
         return v