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/pproxy/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, isPy27
+, buildPythonPackage
+, fetchFromGitHub
+, pycryptodome
+, uvloop
+}:
+
+buildPythonPackage rec {
+  pname = "pproxy";
+  version = "2.3.7";
+
+  disabled = isPy27;
+
+  # doesn't use tagged releases. Tests not in PyPi versioned releases
+  src = fetchFromGitHub {
+    owner = "qwj";
+    repo = "python-proxy";
+    rev = "7fccf8dd62204f34b0aa3a70fc568fd6ddff7728";
+    sha256 = "1sl2i0kymnbsk49ina81yjnkxjy09541f7pmic8r6rwsv1s87skc";
+  };
+
+  propagatedBuildInputs = [
+    pycryptodome
+    uvloop
+  ];
+
+  pythonImportsCheck = [ "pproxy" ];
+  disabledTests = [ "api_server" "api_client" ];  # try to connect to outside Internet, so disabled
+  # test suite doesn't use test runner. so need to run ``python ./tests/*``
+  checkPhase = ''
+    shopt -s extglob
+    for f in ./tests/!(${builtins.concatStringsSep "|" disabledTests}).py ; do
+      echo "***Testing $f***"
+      eval "python $f"
+    done
+  '';
+
+  meta = with lib; {
+    description = "Proxy server that can tunnel among remote servers by regex rules";
+    homepage = "https://github.com/qwj/python-proxy";
+    license = licenses.mit;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}