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/cirq-google/default.nix

@@ -0,0 +1,37 @@
+{ buildPythonPackage
+, cirq-core
+, google-api-core
+, protobuf
+# test inputs
+, pytestCheckHook
+, freezegun
+}:
+
+buildPythonPackage rec {
+  pname = "cirq-google";
+  inherit (cirq-core) version src meta;
+
+  sourceRoot = "source/${pname}";
+
+  postPatch = ''
+    substituteInPlace requirements.txt \
+      --replace "google-api-core[grpc] >= 1.14.0, < 2.0.0dev" "google-api-core[grpc] >= 1.14.0, < 3.0.0dev"
+  '';
+
+  propagatedBuildInputs = [
+    cirq-core
+    google-api-core
+    protobuf
+  ];
+
+  checkInputs = [
+    freezegun
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # unittest.mock.InvalidSpecError: Cannot autospec attr 'QuantumEngineServiceClient'
+    "test_get_engine_sampler_explicit_project_id"
+    "test_get_engine_sampler"
+  ];
+}