code: def _to_date_in_588(date_str):
      
      try:
          date_tokens = (int(x) for x in date_str.split("."))
      except ValueError:
          return date_str
  
      return ".".join(str(x) for x in date_tokens)
docs: Convert date in the format ala 03.02.2017 to 3.2.2017.
  
      Viz #100 for details.