Matplotlib savefig does not save axes

Question

I'm trying to save a figure that works fine in IPython inline but does not save the figure to disk with the axes and titles included.

I am using TKAgg backend by default in matplotlibrc

Any ideas what might be going wrong here? I have clearly set the xlabel and tick marks work correctly in IPython inline plot.

   import matplotlib.pylab as plt  
    x = [1,2,3,3]
    y = map(lambda(x): x * 2, x)
    fig = plt.figure()
    ax = fig.add_axes([0,0,1,1])
    ax.set_title("bleh")
    ax.set_xlabel("xlabel")
    ax.plot(x, y, 'r--')
    fig.savefig("fig.png")

Answer 1

Could be facecolor. I work in jupyter lab, and the facecolor default is set to black, so you don't see the axes, even though they are being drawn.

fig = plt.figure(facecolor=(1, 1, 1))

sets the background color to white.

Answer 2

I was able to solve the issue (in visual studio code jupyter extension) by changing the format from 'png' to 'jpg', along with the parameter 'plt.subplots(tight_layout=True)'.