    def get_mime_for_format(self, format):
        """
        Given a format, attempts to determine the correct MIME type.
        
        If not available on the current ``Serializer``, returns
        ``application/json`` by default.
        """
        try:
            return self.content_types[format]
        except KeyError:
            return 'application/json'
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.