Backend TkAgg

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Backend TkAgg is interactive backend. Turning interactive mode on.

matplotlib的默认backend是TkAgg，而FltkAgg, GTK, GTKAgg, GTKCairo, TkAgg , Wx or WxAgg这几个backend都要求有GUI图形界面的。

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  import matplotlib.pyplot as plt
  
  
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  Backend TkAgg is interactive backend. Turning interactive mode on.
  
  
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  plt.get_backend()
  
  
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  Out[3]: u'TkAgg'
  
  
  

在ssh等远程连接无图形界面时，指定不需要GUI的backend（Agg, Cairo, PS, PDF or SVG）

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  import matplotlib.pyplot as plt
  
  
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  plt.switch_backend('agg')
  
  
  

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https://blog.csdn.net/mangobar/article/details/82916995

Happy清子

https://blog.csdn.net/Z_lbj/article/details/80418183