From f6d3fee855364a3142729f9ea47ccc533e2af6bc Mon Sep 17 00:00:00 2001
From: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
Date: Tue, 18 Jan 2022 07:27:34 -0500
Subject: [PATCH] Error when code examples are improperly closed (#15186)

---
 utils/style_doc.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/utils/style_doc.py b/utils/style_doc.py
index da70c9a2c3..de15a859c7 100644
--- a/utils/style_doc.py
+++ b/utils/style_doc.py
@@ -445,6 +445,9 @@ def style_mdx_file(mdx_file, max_len=119, check_only=False):
         else:
             new_lines.append(line)
 
+    if in_code:
+        raise ValueError(f"There was a problem when styling {mdx_file}. A code block is opened without being closed.")
+
     clean_content = "\n".join(new_lines)
     diff = clean_content != content
     if not check_only and diff: