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-bcrypt/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, flask
+, bcrypt
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "flask-bcrypt";
+  version = "1.0.1";
+
+  src = fetchFromGitHub {
+    owner = "maxcountryman";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-WlIholi/nzq6Ikc0LS6FhG0Q5Kz0kvvAlA2YJ7EksZ4=";
+  };
+
+  propagatedBuildInputs = [
+    flask
+    bcrypt
+  ];
+
+  checkPhase = ''
+    runHook preCheck
+    ${python.interpreter} -m unittest discover
+    runHook postCheck
+  '';
+
+  pythonImportsCheck = [
+    "flask_bcrypt"
+  ];
+
+  meta = with lib; {
+    description = "Brcrypt hashing for Flask";
+    homepage = "https://github.com/maxcountryman/flask-bcrypt";
+    license = licenses.bsd3;
+    maintainers = [ maintainers.costrouc ];
+  };
+}