python - 安装了face_recognition，但无法导入。 (Python3.64)

Question

>>> import face_recognition
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/username/Desktop/face_recognition_low/face_recognition.py", line 30, in <module>
    np.set_printoptions(threshold=np.nan)
  File "/Users/username/.virtualenvs/cv/lib/python3.6/site-packages/numpy/core/arrayprint.py", line 246, in set_printoptions
    floatmode, legacy)
  File "/Users/username/.virtualenvs/cv/lib/python3.6/site-packages/numpy/core/arrayprint.py", line 93, in _make_options_dict
    raise ValueError("threshold must be numeric and non-NAN, try "
ValueError: threshold must be numeric and non-NAN, try sys.maxsize for untruncated representation

昨天导入face_recognition没有问题，突然就不行了。我不知道如何解决这个问题...任何帮助将不胜感激。

我重新启动了我的 mac 并再次尝试，现在它工作正常。我想弄清楚为什么...

>>> import dlib
>>> import face_recognition 
>>>

Answer 1

请通过import sys导入sys。

然后替换

np.set_printoptions(threshold=np.nan)

与

np.set_printoptions(threshold=sys.maxsize)