SVG-LP has eval() commented out, SVG-FP does not? For image generation.

[DanielTakeshi]

Hi Dr. Denton,

Thank you very much for releasing your code. I have had fun using SVG to generate images.

Just one quick question, I noticed that the FP code has this:

svg/train_svg_fp.py

Lines 319 to 326 in 3f19f0b

	# plot some stuff
	frame_predictor.eval()
	encoder.eval()
	decoder.eval()
	posterior.eval()
	x = next(testing_batch_generator)
	plot(x, epoch)
	plot_rec(x, epoch)

whereas LP has this:

svg/train_svg_lp.py

Lines 359 to 368 in 3f19f0b

	# plot some stuff
	frame_predictor.eval()
	#encoder.eval()
	#decoder.eval()
	posterior.eval()
	prior.eval()
	x = next(testing_batch_generator)
	plot(x, epoch)
	plot_rec(x, epoch)

Given that the encoder and decoder have batch normalization layers and are used during inference time, I believe LP should also have eval() enabled? Is my understanding correct?