Add docstring to function send_email.

mail_error_notifs/mail_error_notifs.py

@@ -10,20 +10,28 @@
 
 
 def send_email(subject, mailbody):
+ """Sends an email using Sendgrid's service to one or more recipients.
+ FROM and TO addresses and SENDGRID_API_KEY need to be available as environment variables.
+
+ Positional arguments:
+ subject -- A string with the subject of the email.
+ mailbody -- A string with the body of the email. Content type will be text/plain.
+ """
  try:
  sg = SendGridAPIClient(os.getenv('SENDGRID_API_KEY'))
  from_email = From(os.getenv('FROM'), 'Chronos Maybelambda')
  to_emails = To(os.getenv('TO'))
  subject = Subject(subject)
  content = PlainTextContent(mailbody)
  mail = Mail(from_email, to_emails, subject, content)
- 
+
  response = sg.send(mail)
  print('SendGrid response status code:', response.status_code)
  print('SendGrid response body:', response.body)
  except Exception as e:
  logging.error(e)
 
+
 if __name__ == '__main__':
  load_dotenv('./.env')
  logging.basicConfig(