message: Fix progbar formatting.
diff: @@ -392,7 +392,7 @@ class Progbar(object):
  if self.target is not None:
  numdigits = int(np.log10(self.target)) + 1
  - bar = ('%' + str(numdigits) + 'd/%d') % (current, self.target)
  + bar = ('%' + str(numdigits) + 'd/%d [') % (current, self.target)
  prog = float(current) / self.target
  prog_width = int(self.width * prog)
  if prog_width > 0:
  