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/pysparse/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, blas
+, lapack
+, isPy27
+, python
+}:
+
+buildPythonPackage {
+  pname = "pysparse";
+  version = "1.3-dev";
+  disabled = !isPy27;
+
+  src = fetchFromGitHub {
+    owner = "PythonOptimizers";
+    repo = "pysparse";
+    rev = "f8430bd99ac2a6209c462657c5792d10033888cc";
+    sha256 = "19xcq8214yndra1xjhna3qjm32wprsqck97dlnw3xcww7rfy6hqh";
+  };
+
+  hardeningDisable = [ "all" ];
+
+  propagatedBuildInputs = [
+    numpy
+    blas
+    lapack
+  ];
+
+  # Include patches from working version of PySparse 1.3-dev in
+  # Conda-Forge,
+  # https://github.com/conda-forge/pysparse-feedstock/tree/b69266911a2/recipe
+  # Thanks to https://github.com/guyer
+  patches = [ ./dropPackageLoader.patch ];
+
+  checkPhase = ''
+    cd test
+    ${python.interpreter} -c "import pysparse"
+    ${python.interpreter} test_sparray.py
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/PythonOptimizers/pysparse";
+    description = "A Sparse Matrix Library for Python";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ costrouc ];
+  };
+}