导入matplotlib.pyplot挂起没有任何错误

Question

C:\projects>python
Python 3.5.6 |Anaconda 2.5.0 (64-bit)| (default, Aug 26 2018, 16:05:27) [MSCv.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib
>>> matplotlib.__version__
'2.2.3'
>>> import matplotlib.pyplot

C:\projects>

调用import matplotlib.pyplot使Python退出而没有任何消息。知道如何解决吗？