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/astropy-healpix/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, numpy
+, astropy
+, astropy-extension-helpers
+, setuptools-scm
+, pytestCheckHook
+, pytest-doctestplus
+, hypothesis
+}:
+
+buildPythonPackage rec {
+  pname = "astropy-healpix";
+  version = "0.6";
+
+  src = fetchPypi {
+    inherit version;
+    pname = lib.replaceStrings ["-"] ["_"] pname;
+    sha256 = "409a6621c383641456c074f0f0350a24a4a58e910eaeef14e9bbce3e00ad6690";
+  };
+
+  nativeBuildInputs = [
+    astropy-extension-helpers
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    numpy
+    astropy
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    pytest-doctestplus
+    hypothesis
+  ];
+
+  # tests must be run in the build directory
+  preCheck = ''
+    cd build/lib*
+  '';
+
+  meta = with lib; {
+    description = "BSD-licensed HEALPix for Astropy";
+    homepage = "https://github.com/astropy/astropy-healpix";
+    license = licenses.bsd3;
+    maintainers = [ maintainers.smaret ];
+  };
+}