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-storage/default.nix

@@ -0,0 +1,36 @@
+{ pkgs
+, buildPythonPackage
+, fetchPypi
+, azure-common
+, cryptography
+, futures ? null
+, python-dateutil
+, requests
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  version = "0.36.0";
+  pname = "azure-storage";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0pyasfxkin6j8j00qmky7d9cvpxgis4fi9bscgclj6yrpvf14qpv";
+  };
+
+  propagatedBuildInputs = [ azure-common cryptography python-dateutil requests ]
+                            ++ pkgs.lib.optionals (!isPy3k) [ futures ];
+
+  postPatch = ''
+    rm azure_bdist_wheel.py
+    substituteInPlace setup.cfg \
+      --replace "azure-namespace-package = azure-nspkg" ""
+  '';
+
+  meta = with pkgs.lib; {
+    description = "Microsoft Azure SDK for Python";
+    homepage = "https://github.com/Azure/azure-sdk-for-python";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ olcai ];
+  };
+}