def imshow_flat(images, grid=None, showfun=None, bfill=<NUM_LIT:1.0>, bsz=(<NUM_LIT:1>,<NUM_LIT:1>), **opt):
showfun = showfun or plt.imshow<EOL>count = len(images)<EOL>grid = grid or grid_recommend(count, ratio=sorted(images[<NUM_LIT:0>].shape[:<NUM_LIT:2>]))<EOL>flatted = flat_images(images, grid, bfill=bfill, bsz=bsz)<EOL>res = showfun(flatted, **opt)<EOL>plt.draw()<EOL>
imshow after applying flat_images
:param images: [bhwc]
:param grid: None for auto grid
:param showfun: plt.imshow
:param bfill: color for board fill
:param bsz: size of board
:param opt: option for showfun
:return: