From 320f2f0e7ce64e3dbd487f26a06f3bfd7c630b65 Mon Sep 17 00:00:00 2001
From: Daniel Nyga <daniel.nyga@t-online.de>
Date: Wed, 20 Dec 2023 22:06:23 +0100
Subject: [PATCH] Added: domain information to error message.

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

diff --git a/src/jpt/distributions/utils.py b/src/jpt/distributions/utils.py
index 73e02d58..af41384e 100644
--- a/src/jpt/distributions/utils.py
+++ b/src/jpt/distributions/utils.py
@@ -177,7 +177,7 @@ def _mapvalue(self, key: Any) -> int or float:
             return self._dict[key]
         except KeyError:
             raise ValueError(
-                f'Value {key} out of domain'
+                f'Value {key} out of domain (must be in {set(self._dict)})'
             )
 
     def transformer(self):