From 6c26f34961f6f9701734690c35dc713b557399bc Mon Sep 17 00:00:00 2001
From: Saul Pwanson <code@saul.pw>
Date: Mon, 27 Nov 2023 11:10:48 -0800
Subject: [PATCH] Update join warning message

---
 visidata/features/join.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/visidata/features/join.py b/visidata/features/join.py
index 85a0b4c08..e98f1aaed 100644
--- a/visidata/features/join.py
+++ b/visidata/features/join.py
@@ -137,7 +137,8 @@ def calcValue(self, row):
             if row[c.sheet] is not None:
                 vals.add(c.getTypedValue(row[c.sheet]))
         if len(vals) != 1:
-            vd.warning(f"The source key columns of {', '.join([col.sheet.name + ':' + col.name for col in self.keycols])}, have different types. Type the source columns before joining.")
+            keycolnames = ', '.join([f'{col.sheet.name}:{col.name}' for col in self.keycols])
+            vd.warning(f"The source key columns ({keycolnames}) have different types. Type the source columns before joining.")
         return vals.pop()
 
     def putValue(self, row, value):