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/bsblan/default.nix

@@ -0,0 +1,67 @@
+{ lib
+, aiohttp
+, aresponses
+, buildPythonPackage
+, fetchFromGitHub
+, mypy
+, packaging
+, poetry-core
+, pydantic
+, pytest-asyncio
+, pytest-mock
+, pytestCheckHook
+, pythonOlder
+, yarl
+}:
+
+buildPythonPackage rec {
+  pname = "bsblan";
+  version = "0.5.5";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.9";
+
+  src = fetchFromGitHub {
+    owner = "liudger";
+    repo = "python-bsblan";
+    rev = "v${version}";
+    hash = "sha256-kq4cML7D9XC/QRPjGfaWcs0H78OOc2IXGua7qJpWYOQ=";
+  };
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = [
+    aiohttp
+    packaging
+    pydantic
+    yarl
+  ];
+
+  checkInputs = [
+    aresponses
+    mypy
+    pytest-asyncio
+    pytest-mock
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    # Upstream doesn't set a version for the pyproject.toml
+    substituteInPlace pyproject.toml \
+      --replace 'version = "0.0.0"' 'version = "${version}"' \
+      --replace "--cov" ""
+  '';
+
+  pythonImportsCheck = [
+    "bsblan"
+  ];
+
+  meta = with lib; {
+    description = "Python client for BSB-Lan";
+    homepage = "https://github.com/liudger/python-bsblan";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}