Using sys to write for clean output

import argparse

from argparse import ArgumentParser

import argparse

import sys

from pygriffin import PyGriffin

    with open('isoxml.i', 'w') as xs_inp_file:

        xs_inp_file.write(xs_inp_content)

    sys.stdout.write("Running PyGriffin...")

    sys.stdout.flush()

    pyg.run(other_args=['-i', 'isoxml.i'], logfile=args.logfile)

    sys.stdout.write("Done")

    sys.stdout.flush()