diff --git a/pkgs/development/python-modules/plac/default.nix b/pkgs/development/python-modules/plac/default.nix
index a697258e697c..0622e41fa7e2 100644
--- a/pkgs/development/python-modules/plac/default.nix
+++ b/pkgs/development/python-modules/plac/default.nix
@@ -16,7 +16,7 @@ buildPythonPackage rec {
       cd doc
       ${python.interpreter} -m unittest discover -p "*test_plac*"
     '';
-  
+
   meta = with stdenv.lib; {
     description = "Parsing the Command Line the Easy Way";
     homepage = https://github.com/micheles/plac;