diff --git a/pyad2usb/util.py b/pyad2usb/util.py
index 2e85e98..1d7a9d9 100644
--- a/pyad2usb/util.py
+++ b/pyad2usb/util.py
@@ -59,7 +59,6 @@ class Firmware(object):
             """
             Perform the actual firmware upload to the device.
             """
-
             with open(filename) as f:
                 for line in f:
                     line = line.rstrip()