diff --git a/src/allmydata/util/_python3.py b/src/allmydata/util/_python3.py
index 53e5998fb..a7bd94d76 100644
--- a/src/allmydata/util/_python3.py
+++ b/src/allmydata/util/_python3.py
@@ -16,7 +16,6 @@ from future.utils import PY2
 if PY2:
     from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401
 
-
 PORTED_INTEGRATION_TESTS = [
     "integration.test_aaa_aardvark",
     "integration.test_servers_of_happiness",