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/w3lib/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, six
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "w3lib";
+  version = "1.22.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1pv02lvvmgz2qb61vz1jkjc04fgm4hpfvaj5zm4i3mjp64hd1mha";
+  };
+
+  propagatedBuildInputs = [ six ];
+
+  checkInputs = [ pytestCheckHook ];
+  pythonImportsCheck = [ "w3lib" ];
+
+  disabledTests = [
+    "test_add_or_replace_parameter"
+  ];
+
+  meta = with lib; {
+    description = "A library of web-related functions";
+    homepage = "https://github.com/scrapy/w3lib";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ drewkett ];
+  };
+}