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/gensim/default.nix

@@ -0,0 +1,60 @@
+{ lib
+, buildPythonPackage
+, cython
+, fetchPypi
+, mock
+, numpy
+, scipy
+, smart-open
+, testfixtures
+, pyemd
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "gensim";
+  version = "4.2.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-mV69KXCjHUfBAKqsECEvR+K/EuKwZTbTiIPJUf807vE=";
+  };
+
+  nativeBuildInputs = [
+    cython
+  ];
+
+  propagatedBuildInputs = [
+    smart-open
+    numpy
+    scipy
+  ];
+
+  checkInputs = [
+    mock
+    pyemd
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "gensim"
+  ];
+
+  # Test setup takes several minutes
+  doCheck = false;
+
+  pytestFlagsArray = [
+    "gensim/test"
+  ];
+
+  meta = with lib; {
+    description = "Topic-modelling library";
+    homepage = "https://radimrehurek.com/gensim/";
+    license = licenses.lgpl21Only;
+    maintainers = with maintainers; [ jyp ];
+  };
+}