old_contents: from entry import *
  from structure import *
  from composition import *
  from discovery import *
  from chem_pots import *
  from deposit import *
  
  def common_materials_view(request):
      return render_to_response('materials/index.html', {})
  
  
new_contents: from entry import *
  from structure import *
  from composition import *
  from discovery import *
  from chem_pots import *
  from element_groups import *
  from deposit import *
  
  def common_materials_view(request):
      return render_to_response('materials/index.html', {})
  
  
subject: update imports