1.ModuleNotFoundError: No module named 'tkinter'

yum install python3-tkinter

2._tkinter.TclError: no display name and no $DISPLAY environment variable

import matplotlib

matplotlib.use('Agg')

import matplotlib.pyplot as plt

替代

import matplotlib.pyplot as plt

3.安装tensorflow==2.0.0失败

更新pip3: pip3 install --upgrade pip