error using PyPlot in windows 10 x64

when i try to plot something using PyPlot

> using PyPlot
> t=0.1:0.1:2pi
> s=sin(t)
> plot(t,s)
>
> 1-element Array{PyCall.PyObject,1}:
> PyObject

how can i solve this ?

Start by reproducing the reported Julia REPL commands with PyPlot on Windows 10 x64 and compare the displayed result with the user's claimed error. Identify the missing error details or failure point, then verify that plotting completes successfully and document or correct the Windows-specific behavior.

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