code: def json_encode_default(obj):
      '''
      Convert datetime.datetime to timestamp
  
      :param obj: value to (possibly) convert
      '''
      if isinstance(obj, (datetime, date)):
          result = dt2ts(obj)
      else:
          result = json_encoder.default(obj)
      return to_encoding(resultf json_encode_default(obj):
      '''
      Convert datetime.datetime to timestamp
  
      :param obj: value to (possibly) convert
      '''
      if isinstance(obj, (datetime, date)):
          result = dt2ts(obj)
      else:
          result = json_encoder.default(obj)
      return to_encoding(result)
docs: Convert datetime.datetime to timestamp
  
      :param obj: value to (possibly) convert