--- a/tests/test-largefiles-small-disk.t	Mon Feb 18 00:27:25 2019 +0900
+++ b/tests/test-largefiles-small-disk.t	Mon Feb 18 00:27:25 2019 +0900
@@ -9,7 +9,7 @@
   > #
   > # this makes the original largefiles code abort:
   > _origcopyfileobj = shutil.copyfileobj
-  > def copyfileobj(fsrc, fdst, length=16*1024):
+  > def copyfileobj(fsrc, fdst, length=16 * 1024):
   >     # allow journal files (used by transaction) to be written
   >     if b'journal.' in fdst.name:
   >         return _origcopyfileobj(fsrc, fdst, length)