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/clldutils/default.nix

@@ -0,0 +1,59 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, isPy27
+, attrs
+, colorlog
+, csvw
+, python-dateutil
+, tabulate
+, mock
+, postgresql
+, pytestCheckHook
+, pytest-mock
+}:
+
+buildPythonPackage rec {
+  pname = "clldutils";
+  version = "3.9.0";
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "clld";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "07ljq7v1zvaxyl6xn4a2p4097lgd5j9bz71lf05y5bz8k024mxbr";
+  };
+
+  patchPhase = ''
+    substituteInPlace setup.cfg --replace "--cov" ""
+  '';
+
+  propagatedBuildInputs = [
+    python-dateutil
+    tabulate
+    colorlog
+    attrs
+    csvw
+  ];
+
+  checkInputs = [
+    mock
+    postgresql
+    pytestCheckHook
+    pytest-mock
+  ];
+
+  disabledTests = [
+    # uses pytest.approx which is not supported in a boolean context in pytest7
+    "test_to_dec"
+    "test_roundtrip"
+  ];
+
+  meta = with lib; {
+    description = "Utilities for clld apps without the overhead of requiring pyramid, rdflib et al";
+    homepage = "https://github.com/clld/clldutils";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ];
+  };
+}