Traceback (most recent call last):
File "/Users/zhangbolei/Desktop/MachineLearning/pycharm-project/first.py", line 3, in <module>
import sklearn
File "/Users/zhangbolei/Desktop/MachineLearning/pycharm-project/venv/lib/python3.6/site-packages/sklearn/__init__.py", line 134, in <module>
from .base import clone
File "/Users/zhangbolei/Desktop/MachineLearning/pycharm-project/venv/lib/python3.6/site-packages/sklearn/base.py", line 11, in <module>
import scipy
ModuleNotFoundError: No module named 'scipy'