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/django-anymail/default.nix

@@ -0,0 +1,47 @@
+{
+    lib,
+    buildPythonPackage,
+    fetchFromGitHub,
+    six,
+    requests,
+    django,
+    boto3,
+    python,
+    mock,
+}:
+
+buildPythonPackage rec {
+  pname = "django-anymail";
+  version = "8.6";
+
+  src = fetchFromGitHub {
+    owner = "anymail";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-hLNILUV7qzqHfh7l3SJAoFveUIRSCHTjEQ3ZC3PhZUY=";
+  };
+
+  propagatedBuildInputs = [
+    six
+    requests
+    django
+    boto3
+  ];
+
+  checkInputs = [ mock ];
+  checkPhase = ''
+    substituteInPlace setup.py --replace "tests_require=[" "tests_require=[], #"
+    export CONTINUOUS_INTEGRATION=1
+    export ANYMAIL_SKIP_TESTS="sparkpost"
+    ${python.interpreter} setup.py test
+  '';
+
+  # this package allows multiple email backends
+  # sparkpost is missing because it's not packaged yet
+  meta = with lib; {
+    description = "Django email backends and webhooks for Mailgun";
+    homepage = "https://github.com/anymail/django-anymail";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ ];
+  };
+}