Bezier Curve with Javis.jl: gif is not showing

General Usage
2 
using Plots
using LaTeXStrings 

function animate_bezier(px,py;steps=100)
    n = length(px)-1
    # saving all in between de Casteljau points
    bs = [zeros(2,r) for r=n+1:-1:0]
    # base case Bézier points
    bs[1][1,:] = px 
    bs[1][2,:] = py
    points = zeros(steps,2)
    colors = [:green,:orange,:red,:yellow]
    c = 1
    anim = @animate for t in LinRange(0,1,steps)
        plot(;size=(700,500), axisratio=:equal, legend=false)
        plot!(px, py, linetype=:scatter)
        for i=1:n
            for j=0:n-i   
                # linear interpolation between twp ponts                   
                new_b = (1-t)*bs[i][:,j+1]+t*bs[i][:,j+2]
                bs[i+1][:,j+1] = new_b
                # drawing the line for linear interpolation as well as the specific point for t
                plot!(bs[i][1,j+1:j+2],bs[i][2,j+1:j+2], legend=false, color=colors[i])
                plot!([new_b[1]],[new_b[2]], linetype=:scatter, legend=false, color=colors[i])
                if i == n
                    points[c,:] = [new_b[1],new_b[2]]
                    # draw the curve until point t = LinRange(0,1,steps)[c]
                    plot!(points[1:c,1],points[1:c,2], color=:black)
                    c += 1
                end
            end
        end
    end
    gif(anim, "bezier_d2.gif", fps=30)
end

px = [0, 3, 7]
py = [2, 9, 3]

animate_bezier(px, py)
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