第三步的时候出现问题

[baoyuxu]

/root/anaconda3/envs/rcnn/lib/python3.5/site-packages/sklearn/utils/validation.py:395: DeprecationWarning: Passing 1d arrays as data is deprecated in 0.17 and will raise ValueError in 0.19. Reshape your data either using X.reshape(-1, 1) if your data has a single feature or X.reshape(1, -1) if it contains a single sample.
DeprecationWarning)
Traceback (most recent call last):
File "train_step3.py", line 34, in
Train()
File "train_step3.py", line 20, in init
self._train(self._modelA, self.classA_features, self.classA_labels, "A")
File "train_step3.py", line 24, in _train
model.train(features, labels)
File "/workspace/DL/rcnn/RCNN/models/models.py", line 248, in train
self.clf.fit(features, labels)
File "/root/anaconda3/envs/rcnn/lib/python3.5/site-packages/sklearn/svm/classes.py", line 207, in fit
dtype=np.float64, order="C")
File "/root/anaconda3/envs/rcnn/lib/python3.5/site-packages/sklearn/utils/validation.py", line 521, in check_X_y
ensure_min_features, warn_on_dtype, estimator)
File "/root/anaconda3/envs/rcnn/lib/python3.5/site-packages/sklearn/utils/validation.py", line 424, in check_array
context))
ValueError: Found array with 0 feature(s) (shape=(1, 0)) while a minimum of 1 is required.

我将 File "/workspace/DL/rcnn/RCNN/models/models.py", line 248, in train self.clf.fit(features, labels) 中的features的长度输出，发现长度为0