code: def add_transformers(line):
      '''Extract the transformers names from a line of code of the form
         from __experimental__ import transformer1 [,...]
         and adds them to the globally known dict
      '''
      assert FROM_EXPERIMENTAL.match(line)
  
      line = FROM_EXPERIMENTAL.sub(' ', line)
      # we now have: " transformer1 [,...]"
      line = line.split("#")[0]    # remove any end of line comments
      # and insert each transformer as an item in a list
      for trans in line.replace(' ', '').split(','):
          import_transformer(transf add_transformers(line):
      '''Extract the transformers names from a line of code of the form
         from __experimental__ import transformer1 [,...]
         and adds them to the globally known dict
      '''
      assert FROM_EXPERIMENTAL.match(line)
  
      line = FROM_EXPERIMENTAL.sub(' ', line)
      # we now have: " transformer1 [,...]"
      line = line.split("#")[0]    # remove any end of line comments
      # and insert each transformer as an item in a list
      for trans in line.replace(' ', '').split(','):
          import_transformer(trans)
docs: Extract the transformers names from a line of code of the form
         from __experimental__ import transformer1 [,...]
         and adds them to the globally known dict