diff --git a/scrapy/tests/test_utils_url.py b/scrapy/tests/test_utils_url.py
index 594514dac..deda64398 100644
--- a/scrapy/tests/test_utils_url.py
+++ b/scrapy/tests/test_utils_url.py
@@ -1,10 +1,11 @@
 import unittest
+
 from scrapy.spider import BaseSpider
-from scrapy.utils.url import url_is_from_any_domain, url_is_from_spider, canonicalize_url, url_has_any_extension
-from scrapy.linkextractor import IGNORED_EXTENSIONS
+from scrapy.utils.url import url_is_from_any_domain, url_is_from_spider, canonicalize_url
 
 __doctests__ = ['scrapy.utils.url']
 
+
 class UrlUtilsTest(unittest.TestCase):
 
     def test_url_is_from_any_domain(self):
@@ -181,4 +182,3 @@ class UrlUtilsTest(unittest.TestCase):
 
 if __name__ == "__main__":
     unittest.main()
-