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/textwrap3/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, tox
+, pytest
+, coverage
+, pytest-cov
+}:
+
+buildPythonPackage rec {
+  pname = "textwrap3";
+  version = "0.9.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    extension = "zip";
+    sha256 = "5008eeebdb236f6303dcd68f18b856d355f6197511d952ba74bc75e40e0c3414";
+  };
+
+  checkInputs = [
+    tox
+    pytest
+    coverage
+    pytest-cov
+  ];
+
+  checkPhase = ''
+    pytest
+  '';
+
+  meta = with lib; {
+    description = "Textwrap from Python 3.6 backport plus a few tweaks";
+    homepage = "https://github.com/jonathaneunice/textwrap3";
+    license = licenses.psfl;
+    maintainers = [ maintainers.costrouc ];
+  };
+}