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/py-canary/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, mock
+, pytestCheckHook
+, pythonOlder
+, requests
+, requests-mock
+}:
+
+buildPythonPackage rec {
+  pname = "py-canary";
+  version = "0.5.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "snjoetw";
+    repo = pname;
+    rev = "refs/tags/${version}";
+    hash = "sha256-PE31J82Uc6mErnh7nQ1pkIjnMbuCnlYEX2R0azknMHQ=";
+  };
+
+  propagatedBuildInputs = [
+    requests
+  ];
+
+  checkInputs = [
+    mock
+    pytestCheckHook
+    requests-mock
+  ];
+
+  pythonImportsCheck = [
+    "canary"
+  ];
+
+  meta = with lib; {
+    description = "Python package for Canary Security Camera";
+    homepage = "https://github.com/snjoetw/py-canary";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}