X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/ab8651371075ced6f58f519e48fc4e8ac529e8ce..3501cefb09eb8448bd82287840c9093f10c25299:/src/black/__init__.py

diff --git a/src/black/__init__.py b/src/black/__init__.py
index 59018d0..f2efdec 100644
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -1305,7 +1305,7 @@ def assert_equivalent(src: str, dst: str, *, pass_num: int = 1) -> None:
         src_ast = parse_ast(src)
     except Exception as exc:
         raise AssertionError(
-            "cannot use --safe with this file; failed to parse source file."
+            f"cannot use --safe with this file; failed to parse source file: {exc}"
         ) from exc
 
     try: