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/openpyxl/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy27
+, pytest
+, jdcal
+, et_xmlfile
+, lxml
+}:
+
+buildPythonPackage rec {
+  pname = "openpyxl";
+  version = "3.0.9";
+  disabled = isPy27; # 2.6.4 was final python2 release
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "40f568b9829bf9e446acfffce30250ac1fa39035124d55fc024025c41481c90f";
+  };
+
+  checkInputs = [ pytest ];
+  propagatedBuildInputs = [ jdcal et_xmlfile lxml ];
+
+  postPatch = ''
+    # LICENSE.rst is missing, and setup.cfg currently doesn't contain anything useful anyway
+    # This should likely be removed in the next update
+    rm setup.cfg
+  '';
+
+  # Tests are not included in archive.
+  # https://bitbucket.org/openpyxl/openpyxl/issues/610
+  doCheck = false;
+
+  meta = {
+    description = "A Python library to read/write Excel 2007 xlsx/xlsm files";
+    homepage = "https://openpyxl.readthedocs.org";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ lihop sjourdois ];
+  };
+}