Sort import for tests/components/feedreader/test_init.py (#29878)

This unblocks https://github.com/home-assistant/home-assistant/pull/29739

tests/components/feedreader/test_init.py

@@ -1,6 +1,5 @@
 """The tests for the feedreader component."""
 from datetime import timedelta
-from genericpath import exists
 from logging import getLogger
 from os import remove
 import time
@@ -8,6 +7,8 @@ import unittest
 from unittest import mock
 from unittest.mock import patch
 
+from genericpath import exists
+
 from homeassistant.components import feedreader
 from homeassistant.components.feedreader import (
     CONF_MAX_ENTRIES,