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/dash/default.nix

@@ -0,0 +1,61 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, plotly
+, flask
+, flask-compress
+, dash-core-components
+, dash-html-components
+, dash-table
+, pytest-mock
+, mock
+, pyyaml
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "dash";
+  version = "2.4.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "plotly";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-7B1LEcEgUGJ/gDCDD4oURqli8I5YTJo9jl7l4E1aLVQ=";
+  };
+
+  propagatedBuildInputs = [
+    plotly
+    flask
+    flask-compress
+    dash-core-components
+    dash-html-components
+    dash-table
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    pytest-mock
+    mock
+    pyyaml
+  ];
+
+  disabledTestPaths = [
+    "tests/unit/test_browser.py"
+    "tests/unit/test_app_runners.py" # Use selenium
+    "tests/integration"
+  ];
+
+  pythonImportsCheck = [ "dash" ];
+
+  meta = with lib; {
+    description = "Python framework for building analytical web applications";
+    homepage = "https://dash.plot.ly/";
+    license = licenses.mit;
+    maintainers = [ maintainers.antoinerg ];
+  };
+}