old_contents: import sys, os, logging
  
  dir_path = os.path.dirname([p for p in sys.path if p][0])
  LOG_FILENAME = dir_path+'/Serial.log'
  
  max_bits = 32
  max_mask = 2**max_bits - 1
  
  DATABASES = {
      'default': {
          'ENGINE': '',       # Add 'cassandra' or 'gae' or leave blank
          'KEYSPACE': 'datathinks',    # Keyspace if using Cassandra
  
          # the stuff below this line is not used at the moment but may come in handy if we ever user other dbs
          'NAME': '',     # Or path to database file if using sqlite3.
          'USER': '',     #
          'PASSWORD': '', # Not used with sqlite3.
          'HOST': '',     # Set to empty string for localhost
          'PORT': '',     # Set to empty string for default.
      },
  }
      
  
new_contents: import sys, os, logging
  
  dir_path = os.path.dirname([p for p in sys.path if p][0])
  LOG_FILENAME = dir_path+'/Serial.log'
  
  max_bits = 32
  max_mask = 2**max_bits - 1
  
  DATABASES = {
      'default': {
          'ENGINE': 'datastore',       # Add 'cassandra' or 'datastore' or leave blank
          'KEYSPACE': 'datathinks',    # Keyspace if using Cassandra
  
          # the stuff below this line is not used at the moment but may come in handy if we ever user other dbs
          'NAME': '',     # Or path to database file if using sqlite3.
          'USER': '',     #
          'PASSWORD': '', # Not used with sqlite3.
          'HOST': '',     # Set to empty string for localhost
          'PORT': '',     # Set to empty string for default.
      },
  }
  
subject: Set default to 'datastore'