ImportError: No module named scipy.sparse

Traceback (most recent call last):  File "./faster_rcnn/train_net.py", line 23, in <module>    from lib.fast_rcnn.train import get_training_roidb, train_net  File "./faster_rcnn/../lib/__init__.py", line 1, in <module>    import fast_rcnn  File "./faster_rcnn/../lib/fast_rcnn/__init__.py", line 9, in <module>    from . import train  File "./faster_rcnn/../lib/fast_rcnn/train.py", line 18, in <module>    from ..gt_data_layer import roidb as gdl_roidb  File "./faster_rcnn/../lib/gt_data_layer/__init__.py", line 7, in <module>    import roidb  File "./faster_rcnn/../lib/gt_data_layer/roidb.py", line 11, in <module>    import scipy.sparseImportError: No module named scipy.sparse

解决方法：

先执行

sudo yum install python-scipy

再执行

sudo pip install scipy