diff --git a/aider/linter.py b/aider/linter.py
index 4f752c159..b2e2fd2b4 100644
--- a/aider/linter.py
+++ b/aider/linter.py
@@ -3,6 +3,7 @@ import subprocess
 import sys
 import traceback
 import warnings
+import re
 from dataclasses import dataclass
 from pathlib import Path