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/termplotlib/default.nix

@@ -0,0 +1,52 @@
+{ lib
+, substituteAll
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, exdown
+, numpy
+, gnuplot
+}:
+
+buildPythonPackage rec {
+  pname = "termplotlib";
+  version = "0.3.9";
+
+  src = fetchFromGitHub {
+    owner = "nschloe";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1qfrv2w7vb2bbjvd5lqfq57c23iqkry0pwmif1ha3asmz330rja1";
+  };
+
+  format = "pyproject";
+  checkInputs = [
+    pytestCheckHook
+    exdown
+  ];
+  pythonImportsCheck = [ "termplotlib" ];
+
+  propagatedBuildInputs = [ numpy ];
+
+  patches = [
+    (substituteAll {
+      src = ./gnuplot-subprocess.patch;
+      gnuplot = "${gnuplot.out}/bin/gnuplot";
+    })
+  ];
+
+  # The current gnuplot version renders slightly different test
+  # graphs, with emphasis on slightly. The plots are still correct.
+  # Tests pass on gnuplot 5.4.1, but fail on 5.4.2.
+  disabledTests = [
+    "test_plot"
+    "test_nolabel"
+  ];
+
+  meta = with lib; {
+    description = "matplotlib for your terminal";
+    homepage = "https://github.com/nschloe/termplotlib";
+    license = with licenses; [ gpl3Plus ];
+    maintainers = with maintainers; [ thoughtpolice ];
+  };
+}