原来是这么导入包的
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sb
import numpy as np
import seadata
现在得这样导包
pd = __import__('pandas')
sb = __import__('seaborn')
np = __import__('numpy')
__import__('seadata')
没有啦,是pycharm里面的设置问题,
File下有invalidate caches/restart选项,点击即可解决问题