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/bkcharts/default.nix

@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, numpy
+, pandas
+}:
+
+
+buildPythonPackage rec {
+  pname = "bkcharts";
+  version = "0.2";
+
+  src = fetchPypi {
+    inherit version pname;
+    sha256 = "a5eaa8e78853dcecaa46345812e4fabe9cd3b96330ebf0809f640a4a0556d72e";
+  };
+
+  propagatedBuildInputs = [ numpy pandas ];
+
+  # Circular test dependency on bokeh
+  doCheck = false;
+
+  meta = {
+    description = "High level chart types built on top of Bokeh";
+    homepage = "https://github.com/bokeh/bkcharts";
+    license = lib.licenses.bsd3;
+  };
+}