diff --git a/paramiko/sftp_file.py b/paramiko/sftp_file.py
index b7cf850..ac8ceaf 100644
--- a/paramiko/sftp_file.py
+++ b/paramiko/sftp_file.py
@@ -20,6 +20,8 @@
 L{SFTPFile}
 """
 
+from __future__ import with_statement
+
 from binascii import hexlify
 from collections import deque
 import socket