1 files changed, 1 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/marionette-harness/mozfile.nix b/nixpkgs/pkgs/development/python-modules/marionette-harness/mozfile.nix
index 829e909535a7..2cce0a221244 100644
--- a/nixpkgs/pkgs/development/python-modules/marionette-harness/mozfile.nix
+++ b/nixpkgs/pkgs/development/python-modules/marionette-harness/mozfile.nix
@@ -1,7 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, isPy27
 , six
 }:
 
@@ -14,7 +13,7 @@ buildPythonPackage rec {
     sha256 = "e5dc835582ea150e35ecd57e9d86cb707d3aa3b2505679db7332326dd49fd6b8";
   };
 
-  propagatedBuildInputs = lib.optional isPy27 six;
+  propagatedBuildInputs = [ six ];
 
   # mozhttpd -> moznetwork -> mozinfo -> mozfile
   doCheck = false;