Improve exception message.

colour-science · Apr 3, 2023 · 0d83542 · 0d83542
1 parent ff7bb7a
commit 0d83542
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/colour/continuous/signal.py b/colour/continuous/signal.py
@@ -556,9 +556,9 @@ def _undefined_function(
                     """
 
                     raise ValueError(
-                        "Underlying signal interpolator function does not exists, "
-                        "please ensure you defined both "
-                        '"domain" and "range" variables!'
+                        "Underlying signal interpolator function does not "
+                        'exists, please ensure that both "domain" and "range" '
+                        "variables are defined!"
                     )
 
                 self._function = cast(Callable, _undefined_function)