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/aioemonitor/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, aiohttp
+, aioresponses
+, buildPythonPackage
+, fetchFromGitHub
+, pytest-asyncio
+, pytest-raises
+, pytestCheckHook
+, pythonOlder
+, xmltodict
+}:
+
+buildPythonPackage rec {
+  pname = "aioemonitor";
+  version = "1.0.5";
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "bdraco";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0h8zqqy8v8r1fl9bp3m8icr2sy44p0mbfl1hbb0zni17r9r50dhn";
+  };
+
+  propagatedBuildInputs = [
+    aiohttp
+    xmltodict
+  ];
+
+  checkInputs = [
+    aioresponses
+    pytest-asyncio
+    pytest-raises
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.py --replace '"pytest-runner>=5.2",' ""
+  '';
+
+  pythonImportsCheck = [ "aioemonitor" ];
+
+  meta = with lib; {
+    description = "Python client for SiteSage Emonitor";
+    homepage = "https://github.com/bdraco/aioemonitor";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}