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/sanic-testing/tests.nix

@@ -0,0 +1,26 @@
+{ buildPythonPackage
+, sanic
+, sanic-testing
+, pytest-asyncio
+, pytestCheckHook
+}:
+
+buildPythonPackage {
+  pname = "sanic-testing-tests";
+  inherit (sanic-testing) version;
+
+  src = sanic-testing.testsout;
+
+  dontBuild = true;
+  dontInstall = true;
+
+  checkInputs = [
+    pytest-asyncio
+    pytestCheckHook
+    sanic
+  ];
+
+  pythonImportsCheck = [
+    "sanic_testing"
+  ];
+}