Matplotlib is currently using agg, which is a non-GUI backend, so cannot show the figure.

问题描述 python中使用matplotlib包画图失败 文件开头导入matplotlib包python # 正负条形图 import matplotlib.pyplot as plt import numpy as np 运行程序后报错以下:web 引用文本 Matplotlib is currently using agg, which is a non-GUI backend, so ca
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