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/discogs-client/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, requests
+, oauthlib
+, python-dateutil
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "discogs-client";
+  version = "2.3.14";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "joalla";
+    repo = "discogs_client";
+    rev = "v${version}";
+    sha256 = "sha256-HJxqTwZ9byjZxdftQPTkVo0Ufio9gNGH69q5Q2gYR00=";
+  };
+
+  propagatedBuildInputs = [
+    requests
+    oauthlib
+    python-dateutil
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "discogs_client"
+  ];
+
+  meta = with lib; {
+    description = "Unofficial Python API client for Discogs";
+    homepage = "https://github.com/joalla/discogs_client";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ fab ];
+  };
+}