X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/a066a2bc8b1b7d87b2029f5ebd684582231b0bbc..1c6b3a3a6fbc50b651d4ac34247903041d3f6329:/src/black/__init__.py

diff --git a/src/black/__init__.py b/src/black/__init__.py
index c2b52e6..e2376c4 100644
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -10,7 +10,7 @@ from multiprocessing import Manager, freeze_support
 import os
 from pathlib import Path
 from pathspec.patterns.gitwildmatch import GitWildMatchPatternError
-import regex as re
+import re
 import signal
 import sys
 import tokenize
@@ -177,8 +177,8 @@ def validate_regex(
 ) -> Optional[Pattern[str]]:
     try:
         return re_compile_maybe_verbose(value) if value is not None else None
-    except re.error:
-        raise click.BadParameter("Not a valid regular expression") from None
+    except re.error as e:
+        raise click.BadParameter(f"Not a valid regular expression: {e}") from None
 
 
 @click.command(