1 files changed, 7 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/pysmf/default.nix b/nixpkgs/pkgs/development/python-modules/pysmf/default.nix
index 25f5fc6a20ca..3b350954eae3 100644
--- a/nixpkgs/pkgs/development/python-modules/pysmf/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pysmf/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, pkg-config, libsmf, glib, pytest }:
+{ lib, buildPythonPackage, fetchPypi, pkg-config, libsmf, glib, pytest, cython }:
 
 buildPythonPackage rec {
   pname = "pysmf";
@@ -9,13 +9,17 @@ buildPythonPackage rec {
     sha256 = "10i7vvvdx6c3gl4afsgnpdanwgzzag087zs0fxvfipnqknazj806";
   };
 
-  nativeBuildInputs = [ pkg-config pytest ];
+  postUnpack = ''
+    rm $sourceRoot/src/smf.c
+  '';
+
+  nativeBuildInputs = [ pkg-config pytest cython ];
   buildInputs = [ libsmf glib ];
 
   meta = with lib; {
     homepage = "http://das.nasophon.de/pysmf/";
     description = "Python extension module for reading and writing Standard MIDI Files, based on libsmf.";
     license = licenses.bsd2;
-    maintainers = [ maintainers.gnidorah ];
+    maintainers = [ ];
   };
 }