From 4796b5f7032bfa0423e7b7a152ebfb4226c9262c Mon Sep 17 00:00:00 2001
From: CoolCat467 <52022020+CoolCat467@users.noreply.github.com>
Date: Thu, 21 Dec 2023 17:00:59 -0600
Subject: [PATCH] Partially fix #2908

---
 src/trio/_core/_run.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/trio/_core/_run.py b/src/trio/_core/_run.py
index 1e37a7dbb2..c90989e560 100644
--- a/src/trio/_core/_run.py
+++ b/src/trio/_core/_run.py
@@ -1758,7 +1758,7 @@ def spawn_impl(
             except AttributeError:
                 name = repr(name)
 
-        if not hasattr(coro, "cr_frame"):
+        if getattr(coro, "cr_frame", None) is None:
             # This async function is implemented in C or Cython
             async def python_wrapper(orig_coro: Awaitable[RetT]) -> RetT:
                 return await orig_coro