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/iotawattpy/default.nix

@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, httpx
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "iotawattpy";
+  version = "0.1.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1pyxm87lvd6zy0rx7r9jivk2li267r3xr0b9p6vf0v0vp9fmgsw3";
+  };
+
+  propagatedBuildInputs = [
+    httpx
+  ];
+
+  # Project doesn't tag releases or ship the tests with PyPI
+  # https://github.com/gtdiehl/iotawattpy/issues/14
+  doCheck = false;
+
+  pythonImportsCheck = [ "iotawattpy" ];
+
+  meta = with lib; {
+    description = "Python interface for the IoTaWatt device";
+    homepage = "https://github.com/gtdiehl/iotawattpy";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ fab ];
+  };
+}