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/sfepy/default.nix

@@ -0,0 +1,77 @@
+{ stdenv
+, lib
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, scipy
+, matplotlib
+, pyparsing
+, tables
+, cython
+, python
+, sympy
+, meshio
+, mpi4py
+, psutil
+, openssh
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "sfepy";
+  version = "2022.1";
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "sfepy";
+    repo = "sfepy";
+    rev = "release_${version}";
+    sha256 = "sha256-OayULh/dGI5sEynYMc+JLwUd67zEGdIGEKo6CTOdZS8=";
+  };
+
+  propagatedBuildInputs = [
+    numpy
+    cython
+    scipy
+    matplotlib
+    pyparsing
+    tables
+    sympy
+    meshio
+    mpi4py
+    psutil
+    openssh
+  ];
+
+  postPatch = ''
+    # broken tests
+    rm tests/test_meshio.py
+
+    # slow tests
+    rm tests/test_input_*.py
+    rm tests/test_elasticity_small_strain.py
+    rm tests/test_term_call_modes.py
+    rm tests/test_refine_hanging.py
+    rm tests/test_hyperelastic_tlul.py
+    rm tests/test_poly_spaces.py
+    rm tests/test_linear_solvers.py
+    rm tests/test_quadratures.py
+  '';
+
+  checkPhase = ''
+    export OMPI_MCA_plm_rsh_agent=${openssh}/bin/ssh
+    export HOME=$TMPDIR
+    mv sfepy sfepy.hidden
+    mkdir -p $HOME/.matplotlib
+    echo "backend: ps" > $HOME/.matplotlib/matplotlibrc
+    ${python.interpreter} run_tests.py -o $TMPDIR/test_outputs --raise
+  '';
+
+  meta = with lib; {
+    broken = (stdenv.isLinux && stdenv.isAarch64) || stdenv.isDarwin;
+    homepage = "https://sfepy.org/";
+    description = "Simple Finite Elements in Python";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ wd15 ];
+  };
+}