In other words, the docs give this example:

$ python wallet-tool.py wallet.json
Enter wallet decryption passphrase: 
[2015/04/23 02:04:13] downloading wallet history
[2015/04/23 02:04:26] blockr sync_unspent took 2.70895719528sec
mixing depth 0 m/0/0/
 receive addresses m/0/0/0/
  m/0/0/0/000 1JPFmg1RSa2gtzcsow9fBjwdvWPsxcP3eX  new 0.00000000 btc 
  m/0/0/0/001 1AaCpeMit59ExfSvP3M3bTnMkhXgecSPeY  new 0.00000000 btc 
  m/0/0/0/002 1NmDrVbtk6kfAYbBVo7Miv8eCYHHefZkjs  new 0.00000000 btc 
  m/0/0/0/003 1NKitLXm7FdgbHuENvFXRCxVH32N5XXMQ5  new 0.00000000 btc 
  m/0/0/0/004 1EwkvF8SrHLh17LKCNQ9w4u4HY2akuzhx3  new 0.00000000 btc 
  m/0/0/0/005 1HkHyB8DbZBNvZYwyAutgedaBSsrNUDt7G  new 0.00000000 btc 
 change addresses m/0/0/1/
for mixdepth=0 balance=0.00000000btc
mixing depth 1 m/0/1/
 receive addresses m/0/1/0/
  m/0/1/0/000 1LQw8K7V2KQePFVscLKiiH1NU2v6KzwdhW  new 0.00000000 btc 
  m/0/1/0/001 1EcZ7w1EEb1UK1qWYT6FMLsbRoizFCfAZ7  new 0.00000000 btc 
  m/0/1/0/002 1CV7L2b23sEYNhnu35MP9gbzPAD3j3ofgc  new 0.00000000 btc 
  m/0/1/0/003 1DMYRugQNJZRQPcAPAYBcE1p9u15VFTkD9  new 0.00000000 btc 
  m/0/1/0/004 1CCnPgGhecXmFz8DrB3Wew9kHT1En53Lq   new 0.00000000 btc 
  m/0/1/0/005 1LuwwyEv86BV4miaKVScsFxE4rrKngVt8F  new 0.00000000 btc 
 change addresses m/0/1/1/
for mixdepth=1 balance=0.00000000btc
$

But I only see the following when I run the same command:

mixing depth 0 m/0/0/
 external addresses m/0/0/0/
 ........ 6 lines of addresses ....
 internal addresses m/0/0/1/
for mixdepth=0 balance=0.00000000btc
......
Another block like above etc.