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/palettable/default.nix

@@ -0,0 +1,24 @@
+{ lib, buildPythonPackage, fetchPypi, pytest }:
+
+buildPythonPackage rec {
+  pname = "palettable";
+  version = "3.3.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "72feca71cf7d79830cd6d9181b02edf227b867d503bec953cf9fa91bf44896bd";
+  };
+
+  checkInputs = [ pytest ];
+
+  checkPhase = ''
+    pytest
+  '';
+
+  meta = with lib; {
+    description = "A library of color palettes";
+    homepage = "https://jiffyclub.github.io/palettable/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ psyanticy ];
+  };
+}