only one box can be search

[cvmaker93]

Hi!When I run the demo with my picture ,but it print only one box ,and the box's size is picture size.Following text is print from console.
/usr/bin/python2.7 /home/zyf409/fast-rcnn/selectivesearch-develop/example/example.py
0 0 2047 2047
Exception TypeError: TypeError("'NoneType' object is not callable",) in > ignored

Thanks!

[css1995]

I met the same problem as you. Can you tell me how to solve it?
Thank you!