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/audio-metadata/default.nix

@@ -0,0 +1,42 @@
+{ lib, buildPythonPackage, fetchPypi
+, attrs
+, bidict
+, bitstruct
+, more-itertools
+, pprintpp
+, tbm-utils
+}:
+
+buildPythonPackage rec {
+  pname = "audio-metadata";
+  version = "0.11.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "9e7ba79d49cf048a911d5f7d55bb2715c10be5c127fe5db0987c5fe1aa7335eb";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "'attrs>=18.2,<19.4'" "'attrs'"
+  '';
+
+  propagatedBuildInputs = [
+    attrs
+    bidict
+    bitstruct
+    more-itertools
+    pprintpp
+    tbm-utils
+  ];
+
+  # No tests
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = "https://github.com/thebigmunch/audio-metadata";
+    description = "A library for reading and, in the future, writing metadata from audio files";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jakewaksbaum ];
+  };
+}