[LITMUS^RT] Visualizing Schedules with st-draw Problem

[Marov Gazaal]

Hello everyone. I have a problem when I want to visualize the schedules.
After I wrote the command " ./st-draw  *.bin " and execute it, an error has
been appeared say:  " ImportError : no module named Cairo". Could you
please tell me what is the reason of this error and how I can Fix it?. I
attached a picture of the error below.
Thanks in advance.
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