changing romhom to look for local progressbar

pykat/utilities/romhom.py

@@ -3,7 +3,7 @@ import os.path
 import pykat
 import collections
     
-from progressbar import ProgressBar, ETA, Percentage, Bar
+from pykat.external.progressbar import ProgressBar, ETA, Percentage, Bar
 from itertools import combinations_with_replacement as combinations
 from pykat.utilities.optics.gaussian_beams import beam_param, HG_beam
 from scipy.linalg import inv