diff --git a/pkgs/development/python-modules/azure-keyvault/default.nix b/pkgs/development/python-modules/azure-keyvault/default.nix
index 1c4f9f4ee803..91f31ec0a01b 100644
--- a/pkgs/development/python-modules/azure-keyvault/default.nix
+++ b/pkgs/development/python-modules/azure-keyvault/default.nix
@@ -1,5 +1,7 @@
 { lib
 , buildPythonPackage
+, python
+, isPy3k
 , fetchPypi
 , azure-common
 , azure-nspkg
@@ -26,6 +28,10 @@ buildPythonPackage rec {
     cryptography
   ];
 
+  postInstall = lib.optionalString isPy3k ''
+    rm $out/${python.sitePackages}/azure/__init__.py
+  '';
+
   # has no tests
   doCheck = false;