How to use the pyotrs.Attachment function in pyotrs

basics = {}
        for basic_param in ["Title", "Queue", "Type", "State", "Priority", "CustomerUser"]:
            if basic_param in params:
                basics[basic_param] = params.get(basic_param)
                del(params[basic_param])
            else:
                raise Exception("Parameter {} was not found. This is required to create a ticket".format(basic_param))
        # left over params added to other_basics
        other_basics = {}
        for k, v in params.items():
            if v:
                other_basics[k] = v
        # build attachments
        attachments = []
        for attachment in new_attachments:
            a = Attachment.create_basic(Content=attachment["content"], ContentType=mimetypes.guess_type(attachment["filename"])[0], Filename=attachment["filename"])
            attachments.append(a)
        # build dynamic fields
        dynamic_fields = list(map(lambda f: DynamicField(**f), new_dynamic_fields))
        # create ticket from basics and all other params
        new_ticket = Ticket.create_basic(**basics)
        new_article = Article(new_article)
        new_attachments = attachments
        new_dynamic_fields = dynamic_fields

        # Create Ticket
        ticket_results = client.ticket_create(
            ticket=new_ticket,
            article=new_article,
            attachments=new_attachments,
            dynamic_fields=new_dynamic_fields,
            **other_basics

if not new_article["ForceNotificationToUserID"]:
                    del(new_article["ForceNotificationToUserID"])


            new_article = Article(new_article)

        # Set attachments
        if params.get("Attachments"):
            new_attachments = params.pop("Attachments")


            for attachment in new_attachments:
                filename = attachment['filename']
                content = attachment['content']
                mimetype = mimetypes.guess_type(filename)
                attachments.append(Attachment.create_basic(Content=content,
                                                           ContentType=
                                                           mimetype[0],
                                                           Filename=filename))

        ticket_id = params.get('TicketID')
        del(params["TicketID"])

        dynamic_fields = []
        for fields in new_dynamic_fields:
            dynamic_fields.append(DynamicField(**fields))

        #  Pending time
        if params.get("PendingTime").startswith("0001-01-01"):
            del(params['PendingTime'])
        else:
            # Format date