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/requests-aws4auth/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, httpx
+, pytestCheckHook
+, python
+, pythonOlder
+, requests
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "requests-aws4auth";
+  version = "1.1.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "tedder";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-/SqU/ojP9I4JXzR0c5tLzxx9UyNaVsON7LG/dbdeiH0=";
+  };
+
+  propagatedBuildInputs = [
+    requests
+    six
+  ];
+
+  passthru.optional-dependencies = {
+    httpx = [ httpx ];
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ] ++ passthru.optional-dependencies.httpx;
+
+  pythonImportsCheck = [
+    "requests_aws4auth"
+  ];
+
+  meta = with lib; {
+    description = "Amazon Web Services version 4 authentication for the Python Requests library";
+    homepage = "https://github.com/sam-washington/requests-aws4auth";
+    license = licenses.mit;
+    maintainers = with maintainers; [ basvandijk ];
+  };
+}