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/azure-keyvault-secrets/default.nix

@@ -0,0 +1,42 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, azure-common
+, azure-core
+, msrest
+}:
+
+buildPythonPackage rec {
+  pname = "azure-keyvault-secrets";
+  version = "4.4.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    extension = "zip";
+    hash = "sha256-wLcy253oVdnDl2YGfPQ+L2bNuyi4WfA8eH4zkkzKgtc=";
+  };
+
+  propagatedBuildInputs = [
+    azure-common
+    azure-core
+    msrest
+  ];
+
+  pythonNamespaces = [
+    "azure.keyvault"
+  ];
+
+  # requires checkout from mono-repo
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Microsoft Azure Key Vault Secrets Client Library for Python";
+    homepage = "https://github.com/Azure/azure-sdk-for-python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jonringer ];
+  };
+}