import os

SECURE_MESSAGING_DATABASE_URL = os.getenv('SECURE_MESSAGING_DATABASE_URL', 'sqlite:////tmp/messages.db')
# postgres://rasmessage:rasmessage@localhost:5432/messages

import os

''' This file is the main configuration for the Secure Messaging Service.
    It contains a full default configuration
    All configuration may be overridden by setting the appropriate environment variable name. '''

SECURE_MESSAGING_DATABASE_URL = os.getenv('SECURE_MESSAGING_DATABASE_URL', 'sqlite:////tmp/messages.db')

Add docstring to main configuration.
Add docstring to main configuration.

  import os
  
+ ''' This file is the main configuration for the Secure Messaging Service.
+     It contains a full default configuration
+     All configuration may be overridden by setting the appropriate environment variable name. '''
+ 
  SECURE_MESSAGING_DATABASE_URL = os.getenv('SECURE_MESSAGING_DATABASE_URL', 'sqlite:////tmp/messages.db')
- # postgres://rasmessage:rasmessage@localhost:5432/messages
  
Add docstring to main configuration.
## Code Before:
import os

SECURE_MESSAGING_DATABASE_URL = os.getenv('SECURE_MESSAGING_DATABASE_URL', 'sqlite:////tmp/messages.db')
# postgres://rasmessage:rasmessage@localhost:5432/messages

## Instruction:
Add docstring to main configuration.
## Code After:
import os

''' This file is the main configuration for the Secure Messaging Service.
    It contains a full default configuration
    All configuration may be overridden by setting the appropriate environment variable name. '''

SECURE_MESSAGING_DATABASE_URL = os.getenv('SECURE_MESSAGING_DATABASE_URL', 'sqlite:////tmp/messages.db')
