python - matplotlib pyplot Invalid DISPLAY variable -


while importing , attempting following:

import matplotlib matplotlib import pyplot plt   plt.plot([1,2,3],[1,4,9]) plt.show()

i following error. how fix? running python 2.7, , notebook version 4.1.0. thank you.

runtimeerror: invalid display variable

when running jupyter notebook on server, server may not able display plot. usual solution use non-interactive backend. in case of jupyter notebook done adding

%matplotlib inline

at top of notebook, such graphics shown png images.


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