From 19544ef44857c5dfdbff4b6c6d3c22aeffd3ffcb Mon Sep 17 00:00:00 2001
From: Fridolin Glatter <glatter@iiasa.ac.at>
Date: Fri, 1 Mar 2024 10:10:28 +0100
Subject: [PATCH] Except both possible test case errors

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

diff --git a/pyam/utils.py b/pyam/utils.py
index cc12b0835..2f3724d57 100644
--- a/pyam/utils.py
+++ b/pyam/utils.py
@@ -152,7 +152,7 @@ def strip_R_integer_prefix(c):
                 except ValueError:
                     # nope, not an int, fall down to final return statement
                     pass
-        except TypeError:
+        except (TypeError, IndexError):
             # not a string/iterable/etc, fall down to final return statement
             pass
         return c