From 45d5159fe333dffcebf5d95544c092e550fca594 Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Fri, 3 Jun 2016 18:46:28 +0300
Subject: [PATCH] Remove unused imports

---
 HISTORY.rst                           | 2 +-
 platformio/builder/tools/pioupload.py | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/HISTORY.rst b/HISTORY.rst
index d4175898..d9c94813 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -7,7 +7,7 @@ PlatformIO 2.0
 2.9.3 (2016-06-??)
 ~~~~~~~~~~~~~~~~~~
 
-* Fixed firmware uploading to the embedded boards with SAM-BA bootloader
+* Refactored firmware uploading to the embedded boards with SAM-BA bootloader
 
 2.9.2 (2016-06-02)
 ~~~~~~~~~~~~~~~~~~
diff --git a/platformio/builder/tools/pioupload.py b/platformio/builder/tools/pioupload.py
index 80d66461..06f90790 100644
--- a/platformio/builder/tools/pioupload.py
+++ b/platformio/builder/tools/pioupload.py
@@ -14,7 +14,6 @@
 
 from __future__ import absolute_import
 
-import sys
 from os.path import isfile, join
 from shutil import copyfile
 from time import sleep