diff --git a/setup.cfg b/setup.cfg
index 2968e59c2..a848a847e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,4 +2,4 @@
 zip_ok = false
 
 [aliases]
-dev = develop easy_install letsencrypt[testing]
\ No newline at end of file
+dev = develop easy_install letsencrypt[testing]