code: def comparator(price_1: int | float, price_2: int | float) -> float:
      if price_1 <= 0:
          return numpy.nan
      elif price_2 <= 0:
          return numpy.nan
      else:
          return abs(numpy.log10(price_1) - numpy.log10(price_2))
  
imports: from __future__ import annotations
  import numpy
  from dedupe import predicates
  from dedupe.variables.base import FieldType
label_desc: Use image node_id 1 for calling the PriceType obj's underlying member method code with example usage: obj.comparator(price_1, price_2) and returns: numpy, numpy, abs