diff --git a/pkgs/development/python-modules/qscintilla-qt5/default.nix b/pkgs/development/python-modules/qscintilla-qt5/default.nix
index e188314d7fc9..70ee43089134 100644
--- a/pkgs/development/python-modules/qscintilla-qt5/default.nix
+++ b/pkgs/development/python-modules/qscintilla-qt5/default.nix
@@ -3,8 +3,10 @@
 , qscintilla
 , qtbase
 }:
-with pythonPackages;
-buildPythonPackage rec {
+
+let
+  inherit (pythonPackages) buildPythonPackage isPy3k python sip_4 pyqt5;
+in buildPythonPackage rec {
   pname = "qscintilla";
   version = qscintilla.version;
   src = qscintilla.src;