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/python-smarttub/default.nix

@@ -0,0 +1,56 @@
+{ lib
+, aiohttp
+, aresponses
+, buildPythonPackage
+, fetchFromGitHub
+, inflection
+, pyjwt
+, pytest-asyncio
+, pytestCheckHook
+, python-dateutil
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "python-smarttub";
+  version = "0.0.32";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "mdz";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-3qAs0vL6YGFDsMFC3KAhSc/axxVOll/SOswaJgVi9Hc=";
+  };
+
+  propagatedBuildInputs = [
+    aiohttp
+    inflection
+    pyjwt
+    python-dateutil
+  ];
+
+  checkInputs = [
+    aresponses
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "pyjwt~=2.1.0" "pyjwt>=2.1.0"
+  '';
+
+  pythonImportsCheck = [
+    "smarttub"
+  ];
+
+  meta = with lib; {
+    description = "Python API for SmartTub enabled hot tubs";
+    homepage = "https://github.com/mdz/python-smarttub";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}