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RuntimeError: Invalid DISPLAY variable #2

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QiangShiPKU opened this issue Aug 13, 2018 · 0 comments
Open

RuntimeError: Invalid DISPLAY variable #2

QiangShiPKU opened this issue Aug 13, 2018 · 0 comments

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@QiangShiPKU
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Hello,
In the last section "Save SPRING files" of pbmc4k, I have the error:
RuntimeError: Invalid DISPLAY variable

Then it works after I add following code before make_spring_subplot function:
import matplotlib.pyplot as plt
plt.switch_backend('agg')
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