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/python-heatclient/default.nix

@@ -0,0 +1,69 @@
+{ lib
+, buildPythonApplication
+, fetchPypi
+, pbr
+, babel
+, cliff
+, iso8601
+, osc-lib
+, prettytable
+, oslo-i18n
+, oslo-serialization
+, oslo-utils
+, keystoneauth1
+, python-swiftclient
+, pyyaml
+, requests
+, six
+, stestr
+, testscenarios
+, requests-mock
+}:
+
+buildPythonApplication rec {
+  pname = "python-heatclient";
+  version = "2.5.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-3l7XyxKm18BAM1DhNsCmRwcZR224+8m/jQ1YHrwLHCs=";
+  };
+
+  propagatedBuildInputs = [
+    pbr
+    babel
+    cliff
+    iso8601
+    osc-lib
+    prettytable
+    oslo-i18n
+    oslo-serialization
+    oslo-utils
+    keystoneauth1
+    python-swiftclient
+    pyyaml
+    requests
+    six
+  ];
+
+  checkInputs = [
+    stestr
+    testscenarios
+    requests-mock
+  ];
+
+  checkPhase = ''
+    stestr run -e <(echo "
+      heatclient.tests.unit.test_common_http.HttpClientTest.test_get_system_ca_file
+    ")
+  '';
+
+  pythonImportsCheck = [ "heatclient" ];
+
+  meta = with lib; {
+    description = "A client library for Heat built on the Heat orchestration API";
+    homepage = "https://github.com/openstack/python-heatclient";
+    license = licenses.asl20;
+    maintainers = teams.openstack.members;
+  };
+}