text: import datetime
  
  DAYS_BACK     = 15
  EMAIL_TO      = 'you@example.com'
  EMAIL_FROM    = EMAIL_TO
  SMTP_SERVER   = 'smtp.example.com'
  SMTP_PORT     = 587
  SMTP_USE_TLS  = True
  SMTP_USERNAME = 'user'
  SMTP_PASSWORD = 'password'
  EMAIL_SUBJECT = 'Currency rate monitor'
  
  TRANSFERWISE_CLIENT_ID = 'client-id'
  TRANSFERWISE_CLIENT_SECRET = 'client-secret'
  
  AMOUNT        = 1000
  FROM_CURRENCY = 'EUR'
  TO_CURRENCY   = 'GBP'
  
  START_RATE    = 0.7859
  START_RATE_DATE = datetime.date(2016, 6, 7)
  
  CHART_IMAGE_SIZE = '800x300'
  