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-reverse-proxy-fix/default.nix

@@ -0,0 +1,43 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, isPy3k
+, flask
+, werkzeug
+}:
+
+buildPythonPackage rec {
+  pname = "flask-reverse-proxy-fix";
+  version = "0.2.1";
+
+  # master fixes flask import syntax and has no major changes
+  # new release requested: https://github.com/sublee/flask-silk/pull/6
+  src = fetchFromGitHub {
+    owner = "antarctica";
+    repo = "flask-reverse-proxy-fix";
+    rev = "v${version}";
+    sha256 = "1jbr67cmnryn0igv05qkvqjwrwj2rsajvvjnv3cdkm9bkgb4h5k5";
+  };
+
+  disabled = !isPy3k;
+
+  postPatch = ''
+    sed -i 's@werkzeug.contrib.fixers@werkzeug.middleware.proxy_fix@g' flask_reverse_proxy_fix/middleware/__init__.py
+  '';
+
+  propagatedBuildInputs = [
+    flask
+    werkzeug
+  ];
+
+  meta = with lib; {
+    description = "Python Flask middleware for applications running under a reverse proxy";
+    maintainers = with maintainers; [ matthiasbeyer ];
+    homepage = "https://github.com/antarctica/flask-reverse-proxy-fix";
+
+    license = {
+      fullName = "Open Government Licence";
+      url = "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/";
+    };
+  };
+}