old_contents: 
  from xmmsapi import VALUE_TYPE_NONE
  from xmmsapi import VALUE_TYPE_ERROR
  from xmmsapi import VALUE_TYPE_INT32
  from xmmsapi import VALUE_TYPE_STRING
  from xmmsapi import VALUE_TYPE_COLL
  from xmmsapi import VALUE_TYPE_BIN
  from xmmsapi import VALUE_TYPE_LIST
  from xmmsapi import VALUE_TYPE_DICT
  from xmmsapi import PLAYBACK_STATUS_STOP
  from xmmsapi import PLAYBACK_STATUS_PLAY
  from xmmsapi import PLAYBACK_STATUS_PAUSE
  
  from xmmsapi import PLAYLIST_CHANGED_ADD
  from xmmsapi import PLAYLIST_CHANGED_INSERT
  from xmmsapi import PLAYLIST_CHANGED_SHUFFLE
  from xmmsapi import PLAYLIST_CHANGED_REMOVE
  from xmmsapi import PLAYLIST_CHANGED_CLEAR
  from xmmsapi import PLAYLIST_CHANGED_MOVE
  from xmmsapi import PLAYLIST_CHANGED_SORT
  from xmmsapi import PLAYLIST_CHANGED_UPDATE
  
  from xmmsapi import PLUGIN_TYPE_ALL
  from xmmsapi import PLUGIN_TYPE_XFORM
  from xmmsapi import PLUGIN_TYPE_OUTPUT
  
  from xmmsapi import COLLECTION_CHANGED_ADD
  from xmmsapi import COLLECTION_CHANGED_UPDATE
  from xmmsapi import COLLECTION_CHANGED_RENAME
  from xmmsapi import COLLECTION_CHANGED_REMOVE
  
new_contents: 
  from xmmsapi import VALUE_TYPE_NONE
  from xmmsapi import VALUE_TYPE_ERROR
  from xmmsapi import VALUE_TYPE_INT32
  from xmmsapi import VALUE_TYPE_STRING
  from xmmsapi import VALUE_TYPE_COLL
  from xmmsapi import VALUE_TYPE_BIN
  from xmmsapi import VALUE_TYPE_LIST
  from xmmsapi import VALUE_TYPE_DICT
  from xmmsapi import PLAYBACK_STATUS_STOP
  from xmmsapi import PLAYBACK_STATUS_PLAY
  from xmmsapi import PLAYBACK_STATUS_PAUSE
  
  from xmmsapi import PLAYLIST_CHANGED_ADD
  from xmmsapi import PLAYLIST_CHANGED_INSERT
  from xmmsapi import PLAYLIST_CHANGED_SHUFFLE
  from xmmsapi import PLAYLIST_CHANGED_REMOVE
  from xmmsapi import PLAYLIST_CHANGED_CLEAR
  from xmmsapi import PLAYLIST_CHANGED_MOVE
  from xmmsapi import PLAYLIST_CHANGED_SORT
  from xmmsapi import PLAYLIST_CHANGED_UPDATE
  
  from xmmsapi import PLUGIN_TYPE_ALL
  from xmmsapi import PLUGIN_TYPE_XFORM
  from xmmsapi import PLUGIN_TYPE_OUTPUT
  
  from xmmsapi import COLLECTION_CHANGED_ADD
  from xmmsapi import COLLECTION_CHANGED_UPDATE
  from xmmsapi import COLLECTION_CHANGED_RENAME
  from xmmsapi import COLLECTION_CHANGED_REMOVE
  
  from xmmsapi import PLAYBACK_SEEK_SET
  from xmmsapi import PLAYBACK_SEEK_CUR
  
subject: Add python seek constants