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/showit/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, matplotlib
+, pytest
+}:
+
+buildPythonPackage rec {
+  pname = "showit";
+  version = "1.1.4";
+
+  src = fetchFromGitHub {
+    owner = "freeman-lab";
+    repo = pname;
+    rev = "ef76425797c71fbe3795b4302c49ab5be6b0bacb"; # no tags in repo
+    sha256 = "0xd8isrlwwxlgji90lly1sq4l2a37rqvhsmyhv7bd3aj1dyjmdr6";
+  };
+
+  propagatedBuildInputs = [
+    numpy
+    matplotlib
+  ];
+
+  checkInputs = [
+    pytest
+  ];
+
+  checkPhase = ''
+    pytest test
+  '';
+
+  meta = with lib; {
+    description = "simple and sensible display of images";
+    homepage = "https://github.com/freeman-lab/showit";
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}