better error message for existing output dir

csdms · Apr 1, 2024 · 57a9353 · 57a9353
1 parent a2232ab
commit 57a9353
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/babelizer/errors.py b/babelizer/errors.py
@@ -35,7 +35,9 @@ class ScanError(BabelizeError):
 class OutputDirExistsError(BabelizeError):
     """An exception used when the directory for babelized output exists."""
 
-    pass
+    def __str__(self) -> str:
+        """Render a user-readable error message."""
+        return f"output directory exists: {self._message}"
 
 
 class SetupPyError(BabelizeError):