Jetson-TX2:The Gtk3Agg backend is known to not work on Python 3.x with pycairo.

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开始接触python代码的时候，我觉得python好简单，但是后来发现，它特别不听话，兼容性非常的差，我决定把我遇到的每一个bug都记录下来，让大家少走弯路。

当我输入python3进入python交互界面，然后输入代码：

import matplotlib.pyplot as plt

然后就出现了如下的错误信息：

/usr/local/lib/python3.5/dist-packages/matplotlib/backends/backend_gtk3agg.py:17: UserWarning: The Gtk3Agg backend is

known to not work on Python 3.x with pycairo. Try installing cairocffi.  "The Gtk3Agg backend is known to not work on Python 3.x with pycairo. "

然后查资料后，只需要下面的安装就行了：

 sudo apt-get install python3-cairocffi

参考文献

[1].Python matplotlib Cairo error.https://stackoverflow.com/questions/27749664/python-matplotlib-cairo-error

[2].Gtk-ERROR **: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported.https://github.com/opencv/opencv/issues/6680

[3].图可见用matplotlib PLT都没有。show().http://www.91r.net/ask/33329921.html

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