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/trio-asyncio/default.nix

@@ -0,0 +1,61 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, trio
+, outcome
+, sniffio
+, pytest-trio
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "trio-asyncio";
+  version = "0.12.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    pname = "trio_asyncio";
+    inherit version;
+    sha256 = "824be23b0c678c0df942816cdb57b92a8b94f264fffa89f04626b0ba2d009768";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "'pytest-runner'" ""
+  '';
+
+  propagatedBuildInputs = [
+    trio
+    outcome
+    sniffio
+  ];
+
+  checkInputs = [
+    pytest-trio
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [
+    # https://github.com/python-trio/trio-asyncio/issues/112
+    "-W"
+    "ignore::DeprecationWarning"
+  ];
+
+  disabledTestPaths = [
+    "tests/python" # tries to import internal API test.test_asyncio
+  ];
+
+  pythonImportsCheck = [
+    "trio_asyncio"
+  ];
+
+  meta = with lib; {
+    description = "Re-implementation of the asyncio mainloop on top of Trio";
+    homepage = "https://github.com/python-trio/trio-asyncio";
+    license = with licenses; [ asl20 /* or */ mit ];
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}