def __init__(self, fieldtypes, parent=None):
        """

        :type fieldtypes: list of FieldType
        :param parent:
        """
        self.field_types = fieldtypes
        super().__init__(parent)
def __init__ ( self , fieldtypes , parent = None ) : self . field_types = fieldtypes super ( ) . __init__ ( parent )
:type fieldtypes: list of FieldType
        :param parent: