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-babel/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, buildPythonPackage
+, python
+, fetchPypi
+, flask
+, babel
+, jinja2
+, pytz
+, speaklater
+}:
+
+buildPythonPackage rec {
+  pname = "Flask-Babel";
+  version = "2.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "f9faf45cdb2e1a32ea2ec14403587d4295108f35017a7821a2b1acb8cfd9257d";
+  };
+
+  propagatedBuildInputs = [
+    flask
+    babel
+    jinja2
+    pytz
+    speaklater
+  ];
+
+  checkPhase = ''
+    ${python.interpreter} -m unittest discover -s tests
+  '';
+
+  meta = with lib; {
+    description = "Adds i18n/l10n support to Flask applications";
+    longDescription = ''
+      Implements i18n and l10n support for Flask.
+      This is based on the Python babel module as well as pytz both of which are
+      installed automatically for you if you install this library.
+    '';
+    license = licenses.bsd2;
+    maintainers = teams.sage.members;
+    homepage = "https://github.com/python-babel/flask-babel";
+  };
+}