0002-Fixed-a-bug-with-callback-None-oops.patch

From b4404901cb7b2667ef0c5fce19a9de5844004205 Mon Sep 17 00:00:00 2001
From: David Arthur <mumrah@gmail.com>
Date: Fri, 22 Jul 2011 18:52:51 -0400
Subject: [PATCH 2/2] Fixed a bug with callback=None (oops)

When constructing the real callback in sftp.put, was not checking if the
callback was None before wrapping it with functools.partial
---
 fabric/sftp.py |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/fabric/sftp.py b/fabric/sftp.py
index b7504e0..aa92aa4 100644
--- a/fabric/sftp.py
+++ b/fabric/sftp.py
@@ -222,7 +222,10 @@ class SFTP(object):
             file_obj.write(local_path.read())
             file_obj.close()
             local_path.seek(old_pointer)
-        real_callback = partial(callback, real_local_path)
+        if callback is not None:
+            real_callback = partial(callback, real_local_path)
+        else:
+            real_callback = None
         rattrs = self.ftp.put(real_local_path, remote_path, callback=real_callback)
         # Clean up
         if not local_is_path:
-- 
1.7.4.1

where does read_local_path comes from?