From 8da059b401ddc4c9e6ce4ff2d19d9f365fd435a8 Mon Sep 17 00:00:00 2001
From: realazthat <realazthat@gmail.com>
Date: Tue, 16 Jul 2024 02:48:26 -0400
Subject: [PATCH] Fix conditional check for children in _GetRefBlockName()

---
 mdreftidy/mdreftidy.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mdreftidy/mdreftidy.py b/mdreftidy/mdreftidy.py
index 1a7ab96..d7a5312 100644
--- a/mdreftidy/mdreftidy.py
+++ b/mdreftidy/mdreftidy.py
@@ -154,7 +154,7 @@ def _GetRefBlockName(token: LinkReferenceDefinitionBlock) -> str:
         f'\n token:\n{textwrap.indent(_DumpTokenInfo(token, ancestors=None), "  ")}'
     )
   children: Optional[Tuple[Token, ...]] = _GetChildren(token)
-  if children is None:
+  if children is not None:
     for child in children:
       if not isinstance(child, LinkReferenceDefinition):
         raise ValueError(