if not os.path.isdir(cache_dir):
os.makedirs(cache_dir)
d_file = open(filename, 'wb')
pickle.dump((lines, l1, l2, bounds, hough), d_file)
d_file.close()
else:
if not os.path.isdir(cache_dir):
os.makedirs(cache_dir)
d_file = open(filename, 'wb')
pickle.dump((lines, l1, l2, bounds, hough), d_file)
d_file.close()
else: