diff --git a/move_html_to_dir b/move_html_to_dir
index 3723988..3a25bf1 100755
--- a/move_html_to_dir
+++ b/move_html_to_dir
@@ -2,7 +2,6 @@
"""
Rename files like `foo/bar.html` to `foo/bar/index.html` for prettier URLs.
"""
-import os
import re
import sys
from pathlib import Path
@@ -20,7 +19,7 @@ def replace_links(path: Path, replacements: Dict[str, str]):
# Convert absolute links to relative.
contents = re.sub(
- '((?:href|src|root)\s*=\s*")((?:\.\./)+)([^\.])', r"\1/\3", contents
+ r'((?:href|src|root)\s*=\s*")((?:\.\./)+)([^\.])', r"\1/\3", contents
)
f.write(contents)