diff --git a/pylint/checkers/design_analysis.py b/pylint/checkers/design_analysis.py
index da4ae9c7e9..f8c1d5c6c9 100644
--- a/pylint/checkers/design_analysis.py
+++ b/pylint/checkers/design_analysis.py
@@ -447,9 +447,7 @@ def visit_classdef(self, node: nodes.ClassDef) -> None:
         # https://github.com/pylint-dev/astroid/issues/2273
         root = node.root()
         filtered_attrs = [
-            k
-            for (k, v) in node.instance_attrs.items()
-            if v[0].root() is root
+            k for (k, v) in node.instance_attrs.items() if v[0].root() is root
         ]
         if len(filtered_attrs) > self.linter.config.max_attributes:
             self.add_message(