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/webtest-aiohttp/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, aiohttp
+, buildPythonPackage
+, fetchFromGitHub
+, pytest-aiohttp
+, pytestCheckHook
+, pythonOlder
+, webtest
+}:
+
+buildPythonPackage rec {
+  pname = "webtest-aiohttp";
+  version = "2.0.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "sloria";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-UuAz/k/Tnumupv3ybFR7PkYHwG3kH7M5oobZykEP+ao=";
+  };
+
+  propagatedBuildInputs = [
+    webtest
+  ];
+
+  checkInputs = [
+    aiohttp
+    pytest-aiohttp
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "webtest_aiohttp"
+  ];
+
+  meta = with lib; {
+    description = "Provides integration of WebTest with aiohttp.web applications";
+    homepage = "https://github.com/sloria/webtest-aiohttp";
+    license = licenses.mit;
+    maintainers = with maintainers; [ cript0nauta ];
+  };
+}