Update src/map_viz_pred.py

import hour_rounder function

src/map_viz_pred.py

@@ -2,6 +2,7 @@ from __future__ import division, print_function
 from six import StringIO
 from svgpath2mpl import parse_path
 from collections import defaultdict
+from src.pred_plot import hour_rounder
 import xml.etree.ElementTree as etree
 import re
 import matplotlib as mpl