problem with bots

bot.py

# some stuff here ...

def main():
    # Create the EventHandler and pass it your bot's token.
    updater = Updater(telegram_token)

    # Get the dispatcher to register handlers
    dp = updater.dispatcher

    # on different commands - answer in Telegram
    dp.add_handler(CommandHandler("start", start))
    dp.add_handler(CommandHandler("help", helper))

    # on noncommand i.e message
    dp.add_handler(MessageHandler([Filters.text], chat))

    # log all errors
    dp.add_error_handler(error)

    # Start the Bot
    updater.start_webhook(listen='127.0.0.1', port=2002)
    updater.bot.setWebhook(url='https://crocode.org/MaraphonBot',
                       certificate=open('/home/user/new_cert/cert.pem', 'rb'))
    updater.idle()


if __name__ == '__main__':
    main()

proxy.conf

<VirtualHost *:*>
	# SSL
	SSLEngine on
	SSLCertificateFile    /home/user/new_cert/cert.pem
	SSLCertificateKeyFile /home/user/new_cert/private.key
	# other
  ServerName crocode.org
  DocumentRoot /var/www/crocode.org
  ProxyPreserveHost On
	ProxyPass /TrainRunnerBot http://127.0.0.1:2001
	ProxyPass /MaraphonBot http://127.0.0.1:2002
	ProxyPassReverse /MaraphonBot http://127.0.0.1:2002
	ProxyPassReverse /TrainRunnerBot http://127.0.0.1:2001
</VirtualHost>