It turns out that the build of the nested_dict module requires the

distribute module to be already installed. This only showed up while
trying to build the AthenaDerivation release using Ninja. With
Makefiles just by chance the installation order was always correct
so far.


Former-commit-id: 7ed1307352f34b3e335baeab003adb0d4f58ff84

External/AtlasPyFwdBwdPorts/CMakeLists.txt

@@ -154,7 +154,8 @@ _setup_python_package( keyring
 
 # Install nested_dict:
 _setup_python_package( nested_dict
-   ${CMAKE_CURRENT_SOURCE_DIR}/src/nested_dict-1.0.9.tar.gz )
+   ${CMAKE_CURRENT_SOURCE_DIR}/src/nested_dict-1.0.9.tar.gz
+   DEPENDS distribute )
 
 # Install ordereddict:
 _setup_python_package( ordereddict