## print 'a1', sys.getrefcount(f)
## t4.SetStyle(63, 77, wxTextAttr("BLUE", font=f))
t4.SetStyle(63, 77, wxTextAttr("BLUE", wxNullColour, f))
## print 'a2', sys.getrefcount(f)
## print 'a1', sys.getrefcount(f)
## t4.SetStyle(63, 77, wxTextAttr("BLUE", font=f))
t4.SetStyle(63, 77, wxTextAttr("BLUE", wxNullColour, f))
## print 'a2', sys.getrefcount(f)