class_docstr: UnitNorm constraint.
  
  Constraints the weights to have column-wise unit norm
class_docstr_tok: ["UnitNorm","constraint",".","Constraints","the","weights","to","have","column-wise","unit","norm"]
code: def __call__(self, module):
      w = module.weight.data
      module.weight.data = w.div(th.norm(w, 2, 0))
  
imports: from fnmatch import fnmatch
  import torch
  from .callbacks import Callback
label_desc: Use image node_id 2 for calling the UnitNorm obj's underlying member method code with example usage: obj.__call__(module) without return types