chore: better error message

i2mint · Nov 7, 2024 · 0728ddf · 0728ddf
1 parent 1da8c2b
commit 0728ddf
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ju/pydantic_util.py b/ju/pydantic_util.py
@@ -674,6 +674,8 @@ def __call__(self, data, *, assert_unique: bool = True) -> KeysReader:
         model_key = self.model_classifier.matching_kind(
             data, assert_unique=assert_unique
         )
+        if model_key is None:
+            raise ValueError("No model matched the data.")
         # get the paths for that model
         paths = list(self.model_paths[model_key])
         # return a mapping that lists the paths and extracts the corresponding values from the data