diff --git a/src/flask/sansio/app.py b/src/flask/sansio/app.py
index b4bb6639..d3ddde9b 100644
--- a/src/flask/sansio/app.py
+++ b/src/flask/sansio/app.py
@@ -32,7 +32,7 @@ from .scaffold import _endpoint_from_view_func
 from .scaffold import find_package
 from .scaffold import Scaffold
 from .scaffold import setupmethod
-from functools import wraps
+
 if t.TYPE_CHECKING:  # pragma: no cover
     from werkzeug.wrappers import Response as BaseResponse
 
@@ -665,18 +665,18 @@ class App(Scaffold):
         self, name: str | None = None
     ) -> t.Callable[[T_template_filter], T_template_filter]:
         """A decorator that is used to register custom template filters.
-              You can use this with or without parentheses. Example::
+          You can use this with or without parentheses. Example::
 
-              @app.template_filter
-              def double(x):
-                  return x * 2
+          @app.template_filter
+          def double(x):
+              return x * 2
 
-              @app.template_filter()
-              def reverse(s):
-                  return s[::-1]
+          @app.template_filter()
+          def reverse(s):
+              return s[::-1]
 
-            :param name: the optional name of the filter, otherwise the
-                         function name will be used.
+        :param name: the optional name of the filter, otherwise the
+                     function name will be used.
         """
 
         if callable(name):
diff --git a/tests/test_template_filters.py b/tests/test_template_filters.py
index 7dda15f8..9b8b4e8d 100644
--- a/tests/test_template_filters.py
+++ b/tests/test_template_filters.py
@@ -1,5 +1,6 @@
-import pytest
-from flask import Flask, render_template_string
+from flask import Flask
+from flask import render_template_string
+
 
 def test_template_filter_without_parentheses():
     app = Flask(__name__)
@@ -12,6 +13,7 @@ def test_template_filter_without_parentheses():
         output = render_template_string("{{ 2 | double }}")
         assert output == "4"
 
+
 def test_template_filter_with_parentheses():
     app = Flask(__name__)