old_contents: from ._classes.model import Model
  
  from ._classes.affine import Affine
  from ._classes.relu import ReLu
  from ._classes.softmax import Softmax
  from ._classes.elu import ELU
  from ._classes.maxout import Maxout
  
  from ._classes.embed import Embed
  from ._classes.static_vectors import StaticVectors
  #from ._classes.embed import HashEmbed
  
  #from .pooling import Pooling, mean_pool, max_pool
  from ._classes.convolution import ExtractWindow
  #from ._classes.batchnorm import BatchNorm
  #from ._classes.difference import Siamese
  
new_contents: from ._classes.model import Model
  
  from ._classes.affine import Affine
  from ._classes.relu import ReLu
  from ._classes.softmax import Softmax
  from ._classes.elu import ELU
  from ._classes.maxout import Maxout
  
  from .pooling import Pooling, mean_pool, max_pool
  from ._classes.convolution import ExtractWindow
  from ._classes.batchnorm import BatchNorm
  from ._classes.difference import Siamese
  
subject: Remove problematic imports in __init__ -- causing cycles and weirdness.