From 0784f115c28f7ac65f9ba9368b22b22dec623114 Mon Sep 17 00:00:00 2001
From: Samuel Larkin <Samuel.Larkin@cnrc-nrc.gc.ca>
Date: Wed, 2 Oct 2024 14:02:21 -0400
Subject: [PATCH] feat: handling wrong model type

---
 dfaligner/model.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dfaligner/model.py b/dfaligner/model.py
index e26e113..03f8ab8 100644
--- a/dfaligner/model.py
+++ b/dfaligner/model.py
@@ -42,7 +42,17 @@ def __init__(
     ) -> None:
         super().__init__()
         if isinstance(config, dict):
-            config = AlignerConfig(**config)
+            from pydantic import ValidationError
+
+            try:
+                config = AlignerConfig(**config)
+            except ValidationError as e:
+                from loguru import logger
+
+                logger.error(f"{e}")
+                raise TypeError(
+                    "Unable to load config.  Possible causes: is it really a AlignerConfig? or the correct version?"
+                )
         self.config: AlignerConfig = config  # type: ignore
         self.preprocessed_dir = Path(self.config.preprocessing.save_dir)
         self.sep = "--"