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/nbformat/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest
+, glibcLocales
+, ipython_genutils
+, traitlets
+, testpath
+, jsonschema
+, jupyter_core
+}:
+
+buildPythonPackage rec {
+  pname = "nbformat";
+  version = "5.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-k98LnGciHTj7lwxI9tNhgZpsOIKZoO8xcbu5Eu3+EyQ=";
+  };
+
+  LC_ALL="en_US.utf8";
+
+  checkInputs = [ pytest glibcLocales ];
+  propagatedBuildInputs = [ ipython_genutils traitlets testpath jsonschema jupyter_core ];
+
+  preCheck = ''
+    mkdir tmp
+    export HOME=tmp
+  '';
+
+  # Some of the tests use localhost networking.
+  __darwinAllowLocalNetworking = true;
+
+  meta = {
+    description = "The Jupyter Notebook format";
+    homepage = "https://jupyter.org/";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ fridh globin ];
+  };
+}