Update app.py

app.py

@@ -21,7 +21,7 @@ def start(update: Update, context: CallbackContext):
 def send_captcha(update: Update, context: CallbackContext):
 	''' Entry point of conversation  this gives  buttons to user'''
 	chat_id = update.effective_chat.id
-	url = 'https://pooya.um.ac.ir/gateway/SecurityImage/ShowSecurityImage.php?rand=1685017367&rand2=Wm1xc2xiUmdaODFCOCttb1Y3ZkNGRDJIeUtzR2JObk4veGlwa2hLSTBaOD0='
+	url = 'https://pooya.um.ac.ir/gateway/SecurityImage/ShowSecurityImage.php?rand=1616724262&rand2=VWRSblpFdzgxd3ZmOExIeUVSc1lCcGhkLzdDYkQ4ODFhYkhwNGptM2RyRT0='
 	urllib.request.urlretrieve(url, 'captcha.png')
 	print('Downloaded!')
 	context.bot.send_photo(chat_id, photo=open('captcha.png', 'rb'))
@@ -31,5 +31,4 @@ if __name__ == '__main__':
 	updater.dispatcher.add_handler(CommandHandler('start', start))
 	updater.dispatcher.add_handler(CommandHandler('img', send_captcha))
 	updater.start_polling()
-	print('Bot started ..........')
-	updater.idle()
+	print('Bot started ..........')