old_contents: UPLOAD_FOLDER = '/home/edb/test_html_server/app/uploaded_imgs/img/'
  UPLOAD_FOLDER2 = '/home/edb/test_html_server/app/uploaded_imgs/thumb/'
  
  class Config(object):
      DEBUG = False
  
      MAIL_SERVER = 'smtp.gmail.com'
      MAIL_PORT = 587
      MAIL_USE_SSL = False
      SECRET_KEY= '\x9ek\xdbS7\xc0k$\xac\x96\x03W\x84\xb7\x1b\xec\xa0\xe0\xe32\\\x06\x9d'
      # change email information as needed
      MAIL_USE_TLS = True
      MAIL_USERNAME = 'theia.api'
      MAIL_PASSWORD = 'medialabcc'
      DEFAULT_MAIL_SENDER = 'theia.api@gmail.com'
      SECURITY_TOKEN_AUTHENTICATION_KEY = 'token'
      WTF_CSRF_ENABLED = False # apparently necessary for token auth
      
      MONGO_DBNAME = 'eye-learning-files'
      MONGODB_SETTINGS = {
      'db': 'eye-learning-files'
      }
  
      UPLOAD_FOLDER = UPLOAD_FOLDER
      UPLOAD_FOLDER2 = UPLOAD_FOLDER2
  
new_contents: UPLOAD_FOLDER = '/home/edb/test_html_server/app/uploaded_imgs/img/'
  UPLOAD_FOLDER2 = '/home/edb/test_html_server/app/uploaded_imgs/thumb/'
  
  class Config(object):
      DEBUG = False
  
      MAIL_SERVER = ''
      MAIL_PORT = 587
      MAIL_USE_SSL = False
      SECRET_KEY= ''
      # change email information as needed
      MAIL_USE_TLS = True
      MAIL_USERNAME = ''
      MAIL_PASSWORD = ''
      DEFAULT_MAIL_SENDER = ''
      SECURITY_TOKEN_AUTHENTICATION_KEY = 'token'
      WTF_CSRF_ENABLED = False # apparently necessary for token auth
      
      MONGO_DBNAME = 'eye-learning-files'
      MONGODB_SETTINGS = {
      'db': 'eye-learning-files'
      }
  
      UPLOAD_FOLDER = UPLOAD_FOLDER
      UPLOAD_FOLDER2 = UPLOAD_FOLDER2
  
subject: remove some deprecated config parameters