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/braintree/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, nose
+, pytestCheckHook
+, pythonOlder
+, requests
+}:
+
+buildPythonPackage rec {
+  pname = "braintree";
+  version = "4.14.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = "braintree_python";
+    rev = version;
+    hash = "sha256-qeqQX+qyy78sLe+46CA4D6VAxNHUVahS4LMYdGDzc2k=";
+  };
+
+  propagatedBuildInputs = [
+    requests
+  ];
+
+  checkInputs = [
+    nose
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "braintree"
+  ];
+
+  disabledTestPaths = [
+    # Don't test integrations
+    "tests/integration"
+  ];
+
+  meta = with lib; {
+    description = "Python library for integration with Braintree";
+    homepage = "https://github.com/braintree/braintree_python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+}