old_contents: from Counter import Counter
  from WeightCalculatorOne import WeightCalculatorOne
  from GenericKeyComposer import GenericKeyComposer
  from GenericKeyComposerB import GenericKeyComposerB
  from GenericKeyComposerB import parse_indices_config
  from NextKeyComposer import NextKeyComposer
  from Counts import Counts
  
new_contents: from Counter import Counter
  from WeightCalculatorOne import WeightCalculatorOne
  from GenericKeyComposer import GenericKeyComposer
  from GenericKeyComposerB import GenericKeyComposerB
  from parse_indices_config import parse_indices_config
  from NextKeyComposer import NextKeyComposer
  from Counts import Counts
  
subject: clean up a import statment