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/networkx/default.nix

@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, nose
+, pytest
+, decorator
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "networkx";
+  # upgrade may break sage, please test the sage build or ping @timokau on upgrade
+  version = "2.7.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-0RlLp1Pl7tB83s0dI8XNejx3IJm9jb0v6jZniM9N57o=";
+  };
+
+  propagatedBuildInputs = [ decorator setuptools ];
+  checkInputs = [ nose pytest];
+  checkPhase = ''
+    pytest
+  '';
+
+  meta = {
+    homepage = "https://networkx.github.io/";
+    description = "Library for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks";
+    license = lib.licenses.bsd3;
+  };
+}