old_contents: import requests
  # Try running this locally.
  def send_email():
    return requests.post(
      "https://api.mailgun.net/v3/sandboxa4e92f05144a3973f6f8c031849e3.mailgun.org/messages",
      auth=("api", "key-3fb9acb996e674af4816edf1055a7"),
      data={"from": "BerePi/TinyOS<sensormail@sky>",
      "to": ["gadin.kang@gmail.com"],
      "subject": "[SensorMail] Sensor mail running",
      "text": "Know Yourself !"})
  
  if __name__ == "__main__" :
      send_email()
  
new_contents: import requests
  # Sending e-mail
  def send_email():
    return requests.post(
      "https://api.mailgun.net/v3/sandboxa4e92f05144a3973f6f8c031849e3.mailgun.org/messages",
      auth=("api", "key-3fb9acb996e674af4816edf1055a7"),
      data={"from": "BerePi/TinyOS<sensormail@sky>",
      "to": ["gadin.kang@gmail.com"],
      "subject": "[SensorMail] Sensor mail running",
      "text": "Know Yourself !"})
  
  if __name__ == "__main__" :
      send_email()
  
subject: Update mailgun.py