trivial: removed unused import noticed by pyflakes

diff --git a/src/allmydata/dirnode.py b/src/allmydata/dirnode.py
index 851ec4bf8e0fcb421a97d8415de9595f12da5c7f..67dde0761ec7e3162710397ca88e9b0c37aecf7c 100644 (file)
--- a/src/allmydata/dirnode.py
+++ b/src/allmydata/dirnode.py
@@ -1,5 +1,5 @@
 
-import os, time, math
+import time, math
 
 from zope.interface import implements
 from twisted.internet import defer