parameters: (self)
docstring: Override in subclass to force sending of recent '_write()' calls
  
          It's okay if this method is a no-op (i.e., if '_write()' actually
          sends the data.
docstring_summary: Override in subclass to force sending of recent '_write()' calls
docstring_tokens: Override in subclass to force sending of recent _write () calls
function: def _flush(self):
          """Override in subclass to force sending of recent '_write()' calls
  
          It's okay if this method is a no-op (i.e., if '_write()' actually
          sends the data.
          """
          raise NotImplementedError
function_tokens: def _flush ( self ) : raise NotImplementedError