!pip install python-telegram-bot

import telegram

CHAT_ID = 'XXXXXXX'
bot = telegram.Bot('XXXXXX')

class MyEarlyStopping(EarlyStopping):
  def on_epoch_end(self, epoch, logs=None):
    super(MyEarlyStopping, self).on_epoch_end(epoch, logs)
    if self.model.stop_training:
      try:
        bot.send_message(CHAT_ID, 'EarlyStopping')
      except Exception as e:
        print(e)

class MyModelCheckpoint(ModelCheckpoint):
  def on_epoch_end(self, epoch, logs=None):
    self.prev_best = self.best
    super(MyModelCheckpoint, self).on_epoch_end(epoch, logs)
    current = logs.get(self.monitor)
    try:
      if self.monitor_op(current, self.prev_best):
        bot.send_message(CHAT_ID, 'Epoch %05d: %s improved from %0.5f to %0.5f' % (epoch + 1, self.monitor, self.prev_best, current))
      else:
        bot.send_message(CHAT_ID, 'Epoch %05d: %s did not improve from %0.5f' % (epoch + 1, self.monitor, self.prev_best))
    except Exception as e:
      print(e)