old_contents: from mclevel import fromFile, loadWorld, loadWorldNumber, saveFileDir, minecraftDir
  from indev import *
  from infiniteworld import *
  from java import *
  from level import *
  from schematic import *
  from materials import *
  
  import items
  
new_contents: from mclevel import fromFile, loadWorld, loadWorldNumber
  from mclevelbase import saveFileDir, minecraftDir
  from indev import *
  from infiniteworld import *
  from java import *
  from level import *
  from schematic import *
  from materials import *
  
  import items
  
subject: adjust mclevel imports to import appropriately from mclevelbase instead so that 'import pymclevel' works as expected