def ishow():
 for manager in Gcf.get_all_fig_managers():
  manager.show()
 if show._needmain:
  thread.start_new_thread(Fltk_run_interactive, ())
 show._needmain = False

def ishow ( ) : for manager in Gcf . get_all_fig_managers ( ) : manager . show ( ) if show . _needmain : thread . start_new_thread ( Fltk_run_interactive , ( ) ) show . _needmain = False
show all the figures and enter the fltk mainloop in another thread this allows to keep hand in interractive python session warning: does not work under windows this should be the last line of your script .