python - matplotlib pie charts leave labels from previous pie chart -


i have small django app produces 2 different pie charts. labels first chart that's displayed reappear in second chart.

i'm using:

plt.pie(...) plt.savefig(...)

in same view 2 different pie charts using 2 different (small) datasets.

is there 'clear' or 'reset' method need call after saving of plot?

you can leave code unchanged, , clean figure calling clf() after having saved first plot , before generating second plot.

by doing so, interfacing matplotlib state-machine. matplotlib automatically creates figure , axes you, , use keep using same figure.

the alternative use matplotlib in more object-oriented way. ask matplotlib create figure , axes object, , rest calling methods of objects:

fig1,ax1=plt.subplots() fig2,ax2=plt.subplots() ax1.pie(...) ax2.pie(...) fig1.savefig(...) fig2.savefig(...)

the usage faq here clarifies 2 options.


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