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/applications/office/pympress/default.nix

@@ -0,0 +1,47 @@
+{ lib
+, stdenv
+, python3Packages
+, wrapGAppsHook
+, gtk3
+, gobject-introspection
+, libcanberra-gtk3
+, poppler_gi
+, withGstreamer ? stdenv.isLinux
+, withVLC ? stdenv.isLinux
+ }:
+
+python3Packages.buildPythonApplication rec {
+  pname = "pympress";
+  version = "1.7.0";
+
+  src = python3Packages.fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-AxH0PyAWYEEIqQAx9gG2eYyXMijLZGZqXkRhld32ieE=";
+  };
+
+  nativeBuildInputs = [
+    wrapGAppsHook
+  ];
+
+  buildInputs = [
+    gtk3
+    gobject-introspection
+    poppler_gi
+  ] ++ lib.optional withGstreamer libcanberra-gtk3;
+
+  propagatedBuildInputs = with python3Packages; [
+    pycairo
+    pygobject3
+    setuptools
+    watchdog
+  ] ++ lib.optional withVLC python-vlc;
+
+  doCheck = false; # there are no tests
+
+  meta = with lib; {
+    description = "Simple yet powerful PDF reader designed for dual-screen presentations";
+    license = licenses.gpl2Plus;
+    homepage = "https://cimbali.github.io/pympress/";
+    maintainers = [ maintainers.tbenst ];
+  };
+}