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/flask/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, asgiref
+, click
+, importlib-metadata
+, itsdangerous
+, jinja2
+, python-dotenv
+, werkzeug
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  version = "2.1.2";
+  pname = "Flask";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-MV3tLd+KYoFWftsnOTAQ/jQGGIuvv+ZaMznVeH2J5Hc=";
+  };
+
+  propagatedBuildInputs = [
+    asgiref
+    python-dotenv
+    click
+    itsdangerous
+    jinja2
+    werkzeug
+  ] ++ lib.optional (pythonOlder "3.10") importlib-metadata;
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    homepage = "https://flask.palletsprojects.com/";
+    description = "The Python micro framework for building web applications";
+    longDescription = ''
+      Flask is a lightweight WSGI web application framework. It is
+      designed to make getting started quick and easy, with the ability
+      to scale up to complex applications. It began as a simple wrapper
+      around Werkzeug and Jinja and has become one of the most popular
+      Python web application frameworks.
+    '';
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}