uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/goocalendar/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, fetchPypi
+, buildPythonPackage
+, pkg-config
+, gtk3
+, gobject-introspection
+, pygobject3
+, goocanvas2
+, isPy3k
+ }:
+
+buildPythonPackage rec {
+  pname = "GooCalendar";
+  version = "0.7.2";
+
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "318b3b7790ac9d6d98881eee3b676fc9c17fc15d21dcdaff486e3c303333b41a";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+    gobject-introspection
+  ];
+
+  propagatedBuildInputs = [
+    pygobject3
+  ];
+
+  buildInputs = [
+    gtk3
+    goocanvas2
+  ];
+
+  # No upstream tests available
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A calendar widget for GTK using PyGoocanvas.";
+    homepage = "https://goocalendar.tryton.org/";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.udono ];
+  };
+}