docs: def to_python(self, value):
          """Validates that the input can be converted to a list of decimals."""
          if not value:
              return None
  
          if isinstance(value, list):
              for index, position_val in enumerate(value):
                  val = super(MultipleDecimalField, self).to_python(position_val)
                  value[index] = val
  
          return value