Update attributes of ModelNotFoundError class

Signed-off-by: Nathan Weinberg <[email protected]>

src/instructlab/eval/exceptions.py

@@ -12,10 +12,13 @@ class ModelNotFoundError(EvalError):
     Exception raised when model is not able to be found
 
     Attributes
-        model   model that is being operated on
+        message     error message to be printed on raise
+        model       model that is being operated on
+        path        filepath of model location
     """
 
-    def __init__(self, model) -> None:
+    def __init__(self, path) -> None:
         super().__init__()
-        self.model = model
-        self.message = f"Model {self.model} could not be found"
+        self.path = path
+        self.model = path.rsplit('/')[-1]
+        self.message = f"Model {self.model} could not be found at {self.path}"