parameters: ()
return_statement: return config
docstring: Returns a copy of app_config containing only
      configuration variables.
docstring_summary: Returns a copy of app_config containing only
      configuration variables.
docstring_tokens: Returns a copy of app_config containing only configuration variables .
function: def flatten_app_config():
      """
      Returns a copy of app_config containing only
      configuration variables.
      """
      config = {}
  
      # Only all-caps [constant] vars get included
      for k, v in app_config.__dict__.items():
          if k.upper() == k:
              config[k] = v
  
      return config
function_tokens: def flatten_app_config ( ) : config = { } # Only all-caps [constant] vars get included for k , v in app_config . __dict__ . items ( ) : if k . upper ( ) == k : config [ k ] = v return config