From e18f51cd2a81799a702e43b45ff392e7949b1e3c Mon Sep 17 00:00:00 2001
From: Pierre Sassoulas <pierre.sassoulas@gmail.com>
Date: Mon, 7 Sep 2020 21:50:58 +0200
Subject: [PATCH] Add a docstring to LenChecker.base_classes_of_node

Following review https://github.com/PyCQA/pylint/pull/3821/files#r484553606
---
 pylint/checkers/refactoring/len_checker.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pylint/checkers/refactoring/len_checker.py b/pylint/checkers/refactoring/len_checker.py
index eafe44430b4..68d677abb6f 100644
--- a/pylint/checkers/refactoring/len_checker.py
+++ b/pylint/checkers/refactoring/len_checker.py
@@ -120,6 +120,7 @@ def visit_unaryop(self, node):
 
     @staticmethod
     def base_classes_of_node(instance: astroid.nodes.ClassDef) -> List[astroid.Name]:
+        """Return all the classes names that a ClassDef inherit from including 'object'."""
         mother_classes = [instance.name]
         base_classes = instance.bases
         while base_classes and "object" not in mother_classes: