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/sendgrid/default.nix

@@ -0,0 +1,57 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, flask
+, pytestCheckHook
+, python-http-client
+, pythonOlder
+, pyyaml
+, starkbank-ecdsa
+, six
+, werkzeug
+}:
+
+buildPythonPackage rec {
+  pname = "sendgrid";
+  version = "6.9.7";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = "sendgrid-python";
+    rev = version;
+    sha256 = "sha256-Lx84jmgJz/J5MJtJyqDTVIbN6H63gD2rkJrdNeojd08=";
+  };
+
+  propagatedBuildInputs = [
+    python-http-client
+    starkbank-ecdsa
+    six
+  ];
+
+  checkInputs = [
+    flask
+    pytestCheckHook
+    pyyaml
+    werkzeug
+  ];
+
+  disabledTestPaths = [
+    # Exclude tests that require network access
+    "test/integ/test_sendgrid.py"
+    "live_test.py"
+  ];
+
+  pythonImportsCheck = [
+    "sendgrid"
+  ];
+
+  meta = with lib; {
+    description = "Python client for SendGrid";
+    homepage = "https://github.com/sendgrid/sendgrid-python";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}