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/dicom2nifti/default.nix

@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, isPy27
+, gdcm
+, nose
+, nibabel
+, numpy
+, pydicom
+, scipy
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "dicom2nifti";
+  version = "2.3.0";
+  disabled = isPy27;
+
+  # no tests in PyPI dist
+  src = fetchFromGitHub {
+    owner = "icometrix";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-QSu9CGXFjDpI25Cy6QSbrwiQ2bwsVezCUxSovRLs6AI=";
+  };
+
+  propagatedBuildInputs = [ nibabel numpy pydicom scipy setuptools ];
+
+  checkInputs = [ nose gdcm ];
+  checkPhase = "nosetests tests";
+
+  meta = with lib; {
+    homepage = "https://github.com/icometrix/dicom2nifti";
+    description = "Library for converting dicom files to nifti";
+    license = licenses.mit;
+    maintainers = with maintainers; [ bcdarwin ];
+  };
+}