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/invoke/default.nix

@@ -0,0 +1,35 @@
+{ lib
+, bash
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "invoke";
+  version = "1.7.1";
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-e23q9YXu4KhIIF0LjAAUub9vKHqOt5iBimQt/x3xSxk=";
+  };
+
+  postPatch = ''
+    sed -e 's|/bin/bash|${bash}/bin/bash|g' -i invoke/config.py
+  '';
+
+  # errors with vendored libs
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "invoke"
+  ];
+
+  meta = with lib; {
+    description = "Pythonic task execution";
+    homepage = "https://www.pyinvoke.org/";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ ];
+  };
+}