Update pr based on review

Author: yushao2

ChangeLog

@@ -14,7 +14,7 @@ Release date: TBA
 
 * pyreverse: Show class has-a relationships inferred from the type-hint
 
-Closes #4744
+  Closes #4744
 
 * Added ``ignored-parents`` option to the design checker to ignore specific
   classes from the ``too-many-ancestors`` check (R0901).
@@ -56,6 +56,10 @@ Closes #4744
 
   Closes #3692
 
+* Fix false-positive of ``unused-private-member`` when using nested functions in a class
+
+  Closes #4673
+
 
 What's New in Pylint 2.9.6?
 ===========================
@@ -169,10 +173,6 @@ Release date: 2021-07-20
 
   Closes #4723
 
-* Fix false-positive of ``unused-private-member`` when using nested functions in a class
-
-  Closes #4673
-
 
 What's New in Pylint 2.9.3?
 ===========================

pylint/checkers/classes.py

@@ -939,23 +939,22 @@ def _check_unused_private_functions(self, node: astroid.ClassDef) -> None:
                         break
             else:
                 name_stack = []
-                outer_level_names = ""
                 curr = parent_scope
                 # Generate proper names for nested functions
                 while curr != node:
                     name_stack.append(curr.name)
                     curr = curr.parent.scope()
 
-                if name_stack:
-                    outer_level_names = f"{'.'.join(reversed(name_stack))}."
+                outer_level_names = f"{'.'.join(reversed(name_stack))}"
 
-                function_repr = f"{outer_level_names}{function_def.name}({function_def.args.as_string()})"
                 self.add_message(
                     "unused-private-member",
                     node=function_def,
                     args=(
                         node.name,
-                        function_repr,
+                        f"{outer_level_names}.{function_def.name}({function_def.args.as_string()})".lstrip(
+                            "."
+                        ),
                     ),
                 )