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/mesa/default.nix

@@ -0,0 +1,34 @@
+{ lib, buildPythonPackage, fetchFromGitHub, isPy27
+, cookiecutter, networkx , pandas, tornado, tqdm
+, pytest }:
+
+buildPythonPackage rec {
+  pname = "mesa";
+  version = "0.8.7";
+
+  # According to their docs, this library is for Python 3+.
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "projectmesa";
+    repo = "mesa";
+    rev = "v${version}";
+    sha256 = "0i1bpdqjrx4avgrzyqxpwxx86j11yhrq1j4kca854xahvhmwis19";
+  };
+
+  checkInputs = [ pytest ];
+
+  # Ignore test which tries to mkdir in unreachable location.
+  checkPhase = ''
+    pytest tests -k "not scaffold"
+  '';
+
+  propagatedBuildInputs = [ cookiecutter networkx pandas tornado tqdm ];
+
+  meta = with lib; {
+    homepage = "https://github.com/projectmesa/mesa";
+    description = "An agent-based modeling (or ABM) framework in Python";
+    license = licenses.asl20;
+    maintainers = [ maintainers.dpaetzel ];
+  };
+}