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/Fabric/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, cryptography
+, invoke
+, mock
+, paramiko
+, pytestCheckHook
+, pytest-relaxed
+}:
+
+buildPythonPackage rec {
+  pname = "fabric";
+  version = "2.7.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-C/eXpoxLOJcg3E3WGBSXpYxB7XYuKD2ePBsBSLMqmv8=";
+  };
+
+  # only relevant to python < 3.4
+  postPatch = ''
+    substituteInPlace setup.py \
+        --replace ', "pathlib2"' ' '
+  '';
+
+  propagatedBuildInputs = [ invoke paramiko cryptography ];
+
+  checkInputs = [ pytestCheckHook pytest-relaxed mock ];
+
+  # ==================================== ERRORS ====================================
+  # ________________________ ERROR collecting test session _________________________
+  # Direct construction of SpecModule has been deprecated, please use SpecModule.from_parent
+  # See https://docs.pytest.org/en/stable/deprecations.html#node-construction-changed-to-node-from-parent for more details.
+  doCheck = false;
+
+  pythonImportsCheck = [ "fabric" ];
+
+  meta = with lib; {
+    description = "Pythonic remote execution";
+    homepage = "https://www.fabfile.org/";
+    license = licenses.bsd2;
+    maintainers = [ maintainers.costrouc ];
+  };
+}