improved error text

anikolaienko · Oct 25, 2022 · 647b0be · 647b0be
1 parent be0da2f
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,6 @@
 1.2.0 - 2022/10/25
 * [g-pichler] Ability to disable deepcopy on mapping: `use_deepcopy` flag in `map` method.
+* [g-pichler] Improved error text when no spec function exists for `target class`.
 * Updated doc comments.
 
 1.1.3 - 2022/10/07

diff --git a/automapper/mapper.py b/automapper/mapper.py
@@ -242,8 +242,9 @@ def _get_fields(self, target_cls: Type[T]) -> Iterable[str]:
             if classifier(target_cls):
                 return self._classifier_specs[classifier](target_cls)
 
+        target_cls_name = getattr(target_cls, "__name__", type(target_cls))
         raise MappingError(
-            f"No spec function is added for base class of {type(target_cls)}"
+            f"No spec function is added for base class of {target_cls_name!r}"
         )
 
     def _map_subobject(