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/ascii-magic/default.nix

@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, colorama
+, fetchPypi
+, pillow
+}:
+
+buildPythonPackage rec {
+  pname = "ascii-magic";
+  version = "1.6";
+
+  src = fetchPypi {
+    pname = "ascii_magic";
+    inherit version;
+    sha256 = "sha256-faVRj3No5z8R4hUaDAYIBKoUniZ7Npt+52U/vXsEalE=";
+  };
+
+  propagatedBuildInputs = [
+    colorama
+    pillow
+  ];
+
+  # Project is not tagging releases and tests are not shipped with PyPI source
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "ascii_magic"
+  ];
+
+  meta = with lib; {
+    description = "Python module to converts pictures into ASCII art";
+    homepage = "https://github.com/LeandroBarone/python-ascii_magic";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}