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/aiocoap/default.nix

@@ -0,0 +1,53 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pygments
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "aiocoap";
+  version = "0.4.3";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "chrysn";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-fTRDx9VEXDoMKM78YYL+mBEdvhbLtHiHdo66kwRnNhA=";
+  };
+
+  propagatedBuildInputs = [
+    pygments
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  disabledTestPaths = [
+    # Don't test the plugins
+    "tests/test_tls.py"
+    "tests/test_reverseproxy.py"
+    "tests/test_oscore_plugtest.py"
+  ];
+
+  disabledTests = [
+    # Communication is not properly mocked
+    "test_uri_parser"
+  ];
+
+  pythonImportsCheck = [
+    "aiocoap"
+  ];
+
+  meta = with lib; {
+    description = "Python CoAP library";
+    homepage = "https://aiocoap.readthedocs.io/";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}