diff --git a/thefuck/rules/ifconfig_device_not_found.py b/thefuck/rules/ifconfig_device_not_found.py
index 88406991..958a6a7c 100644
--- a/thefuck/rules/ifconfig_device_not_found.py
+++ b/thefuck/rules/ifconfig_device_not_found.py
@@ -1,6 +1,7 @@
 import subprocess
 from thefuck.utils import for_app, replace_command, eager
 
+
 @for_app('ifconfig')
 def match(command):
     return 'error fetching interface information: Device not found' \