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/ssdp/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pbr
+, pytestCheckHook
+, pythonOlder
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "ssdp";
+  version = "1.1.0";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "codingjoe";
+    repo = pname;
+    rev = version;
+    sha256 = "19d2b5frpq2qkfkpz173wpjk5jwhkjpk75p8q92nm8iv41nrzljy";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  buildInputs = [
+    pbr
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace "pytest-runner" "" \
+      --replace "--cov=ssdp" ""
+  '';
+
+  pythonImportsCheck = [ "ssdp" ];
+
+  meta = with lib; {
+    description = "Python asyncio library for Simple Service Discovery Protocol (SSDP)";
+    homepage = "https://github.com/codingjoe/ssdp";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}