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/pyro-ppl/default.nix

@@ -0,0 +1,73 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, graphviz
+, jupyter
+, matplotlib
+, networkx
+, opt-einsum
+, pandas
+, pillow
+, pyro-api
+, pythonOlder
+, pytorch
+, scikit-learn
+, seaborn
+, torchvision
+, tqdm
+, wget
+}:
+
+buildPythonPackage rec {
+  pname = "pyro-ppl";
+  version = "1.8.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit version pname;
+    hash = "sha256-18BJ6y50haYStN2ZwkwwnMhgx8vGsZczhwNPVDbRyNY=";
+  };
+
+  propagatedBuildInputs = [
+    pyro-api
+    pytorch
+    networkx
+    opt-einsum
+    tqdm
+  ];
+
+  passthru.optional-dependencies = {
+    extras = [
+      graphviz
+      jupyter
+      # lap
+      matplotlib
+      pandas
+      pillow
+      scikit-learn
+      seaborn
+      torchvision
+      # visdom
+      wget
+    ];
+  };
+
+  # pyro not shipping tests do simple smoke test instead
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "pyro"
+    "pyro.distributions"
+    "pyro.infer"
+    "pyro.optim"
+  ];
+
+  meta = with lib; {
+    description = "Library for probabilistic modeling and inference";
+    homepage = "http://pyro.ai";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ teh georgewhewell ];
+  };
+}