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/pep8/default.nix

@@ -0,0 +1,25 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "pep8";
+  version = "1.7.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "fe249b52e20498e59e0b5c5256aa52ee99fc295b26ec9eaa85776ffdb9fe6374";
+  };
+
+  # FAIL: test_checkers_testsuite (testsuite.test_all.Pep8TestCase)
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = "https://pep8.readthedocs.org/";
+    description = "Python style guide checker";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+
+}