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/pytm/default.nix

@@ -0,0 +1,33 @@
+{ buildPythonPackage
+, fetchFromGitHub
+, lib
+, pythonOlder
+, pydal
+, graphviz
+, pandoc
+, plantuml
+}:
+
+buildPythonPackage rec {
+  pname = "pytm";
+  version = "1.2.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "izar";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1bx4s9a5kdyr2xvpw0smmh7zi9w38891yfqzdj1bmnsjl57x6qrg";
+  };
+
+  propagatedBuildInputs = [ pydal graphviz pandoc plantuml ];
+
+  pythonImportsCheck = [ "pytm" ];
+
+  meta = with lib; {
+    description = "A Pythonic framework for threat modeling";
+    homepage = "https://owasp.org/www-project-pytm/";
+    license = with licenses; [ capec mit ];
+    maintainers = with maintainers; [ wamserma ];
+  };
+}