>>> Beginning update of the overlays ...
Updating the Custom Kernels Overlay
Updating the Gentoo XEffects Overlay
Traceback (most recent call last):
  File "/usr/bin/evmgr", line 617, in ?
    main(sys.argv[1:])
  File "/usr/bin/evmgr", line 612, in main
    eval(callbacks[x]['callback'])
  File "<string>", line 0, in ?
  File "/usr/bin/evmgr", line 251, in update
    svn.update(x['overlay_path'])
pysvn._pysvn.ClientError: callback_get_login required