_init_paths.py

import os.path as osp
import sys

def add_path(path):
    if path not in sys.path:
        sys.path.insert(0, path)

this_dir = osp.dirname(__file__)

# Add caffe to PYTHONPATH
path1 = osp.join(this_dir, '..','image_pylib')
add_path(path1)