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e f³ ã @ sI d Z d g Z d d l m Z d d l m Z Gd d „ d e ƒ Z d S)z9Base class for MIME type messages that are not multipart.ÚMIMENonMultiparté )Úerrors)ÚMIMEBasec @ s" e Z d Z d Z d d „ Z d S)r z0Base class for MIME non-multipart type messages.c C s t j d ƒ ‚ d S)Nz4Cannot attach additional subparts to non-multipart/*)r ZMultipartConversionError)ÚselfZpayload© r ú s