Asyncpaste 
import requests
from PIL import Image
import numpy as np
import io


def send_msg(token, chat_id, text):
   url_req = "https://api.telegram.org/bot" + token + "/sendMessage" + "?chat_id=" + chat_id + "&text=" + text
   results = requests.get(url_req)
   print(results.json())


def send_photo(token, chat_id, image, text):
    data = {"chat_id": chat_id, "caption": text}
    url = "https://api.telegram.org/bot%s/sendPhoto" % token
    ret = requests.post(url, data=data, files={"photo": image})
    print(ret.json())


class TelegramNotification:

    def __init__(self):
        pass

    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "images": ("IMAGE",),
		"telegram_bot_token": ("STRING", {
		    "multiline": False,
		    "default": ""
		}),
		"group_id": ("STRING", {
		    "multiline": False,
		    "default": ""
		})
            },
        }

    RETURN_TYPES = ()

    FUNCTION = "notify"

    OUTPUT_NODE = True

    CATEGORY = "Example"

    def notify(self, images, telegram_bot_token, group_id):
        for image in images:
            i = 255. * image.cpu().numpy()
            img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
            with io.BytesIO() as output:
                img.save(output, format="PNG")
                contents = output.getvalue()
                send_photo(telegram_bot_token, group_id, contents, "Generation finished")
        return (images, )


NODE_CLASS_MAPPINGS = {
    "TelegramNotify": TelegramNotification
}

NODE_DISPLAY_NAME_MAPPINGS = {
    "TelegramNotify": "Example Node"
}

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