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/ptpython/default.nix

@@ -0,0 +1,38 @@
+{ lib, buildPythonPackage, pythonOlder, fetchPypi
+, appdirs
+, black
+, importlib-metadata
+, isPy3k
+, jedi
+, prompt-toolkit
+, pygments
+}:
+
+buildPythonPackage rec {
+  pname = "ptpython";
+  version = "3.0.20";
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "eafd4ced27ca5dc370881d4358d1ab5041b32d88d31af8e3c24167fe4af64ed6";
+  };
+
+  propagatedBuildInputs = [
+    appdirs
+    black # yes, this is in install_requires
+    jedi
+    prompt-toolkit
+    pygments
+  ] ++ lib.optionals (pythonOlder "3.8") [ importlib-metadata ];
+
+  # no tests to run
+  doCheck = false;
+
+  meta = with lib; {
+    description = "An advanced Python REPL";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ mlieberman85 ];
+    platforms = platforms.all;
+  };
+}