From ec1053cc162250e42ae220ebe91c3bf00b22b084 Mon Sep 17 00:00:00 2001
From: Reagan Lee <96998476+reaganjlee@users.noreply.github.com>
Date: Fri, 11 Aug 2023 10:03:19 -0700
Subject: [PATCH] error msg

---
 src/_pytest/assertion/util.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/_pytest/assertion/util.py b/src/_pytest/assertion/util.py
index 22eec1809..613a40b97 100644
--- a/src/_pytest/assertion/util.py
+++ b/src/_pytest/assertion/util.py
@@ -135,7 +135,9 @@ def isiterable(obj: Any) -> bool:
     except TypeError:
         return False
     except Exception as e:
-        raise ValueError(f"Unexpected exception {e!r} while testing object {obj!r}")
+        raise ValueError(
+            f"Unexpected exception {e!r} while testing object {obj!r}. Probably an issue with __iter__"
+        )
 
 
 def has_default_eq(