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/adafruit-io/default.nix

@@ -0,0 +1,57 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, paho-mqtt
+, pytestCheckHook
+, pythonOlder
+, requests
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "adafruit-io";
+  version = "2.7.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "adafruit";
+    repo = "Adafruit_IO_Python";
+    rev = "refs/tags/${version}";
+    hash = "sha256-BIquSrhtRv2NEOn/G6TTfYMrL2OBwwJQYZ455fznwdU=";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    paho-mqtt
+    requests
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "Adafruit_IO"
+  ];
+
+  disabledTestPaths = [
+    # Tests requires valid credentials
+    "tests/test_client.py"
+    "tests/test_errors.py"
+    "tests/test_mqtt_client.py"
+  ];
+
+  meta = with lib; {
+    description = "Module for interacting with Adafruit IO";
+    homepage = "https://github.com/adafruit/Adafruit_IO_Python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}