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/slixmpp/default.nix

@@ -0,0 +1,62 @@
+{ lib
+, buildPythonPackage
+, aiodns
+, aiohttp
+, fetchPypi
+, gnupg
+, pyasn1
+, pyasn1-modules
+, pytestCheckHook
+, substituteAll
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "slixmpp";
+  version = "1.8.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-U7lD2iVy2gS5Ktop4PVKg+cUbIg4MJt+m6tH5aOb1Y4=";
+  };
+
+  propagatedBuildInputs = [
+    aiodns
+    aiohttp
+    pyasn1
+    pyasn1-modules
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  patches = [
+    (substituteAll {
+      src = ./hardcode-gnupg-path.patch;
+      inherit gnupg;
+    })
+    # Upstream MR: https://lab.louiz.org/poezio/slixmpp/-/merge_requests/198
+    ./0001-xep_0030-allow-extra-args-in-get_info_from_domain.patch
+  ];
+
+  disabledTestPaths = [
+    # Exclude live tests
+    "tests/live_test.py"
+    "tests/test_xep_0454.py"
+  ];
+
+  pythonImportsCheck = [
+    "slixmpp"
+  ];
+
+  meta = with lib; {
+    description = "Python library for XMPP";
+    homepage = "https://slixmpp.readthedocs.io/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}