swiftly/cli/optionparser.py
def print_usage(self, file=None):
        """
        Outputs usage information to the file if specified, or to the
        io_manager's stdout if available, or to sys.stdout.
        """
        optparse.OptionParser.print_usage(self, file)
        file.flush()
def print_usage(self, file=None):
        optparse.OptionParser.print_usage(self, file)
        file.flush()
def print_usage ( self , file = None ) : optparse . OptionParser . print_usage ( self , file ) file . flush ( )
Outputs usage information to the file if specified, or to the
        io_manager's stdout if available, or to sys.stdout.
Outputs usage information to the file if specified or to the io_manager s stdout if available or to sys . stdout .