old_contents: from plantcv.plantcv.visualize.pseudocolor import pseudocolor
  from plantcv.plantcv.visualize.colorize_masks import colorize_masks
  from plantcv.plantcv.visualize.histogram import histogram
  from plantcv.plantcv.visualize.clustered_contours import clustered_contours
  from plantcv.plantcv.visualize.colorspaces import colorspaces
  from plantcv.plantcv.visualize.auto_threshold_methods import auto_threshold_methods
  from plantcv.plantcv.visualize.overlay_two_imgs import overlay_two_imgs
  from plantcv.plantcv.visualize.colorize_label_img import colorize_label_img
  from plantcv.plantcv.visualize import ecdf
  # from plantcv.plantcv.visualize.ecdf.pix_intensity import pix_intensity
  # from plantcv.plantcv.visualize.ecdf.obj_size import obj_size
  
  __all__ = ["pseudocolor", "colorize_masks", "histogram", "clustered_contours", "colorspaces", "auto_threshold_methods",
             "overlay_two_imgs", "colorize_label_img","ecdf"]#,"pix_intensity","obj_size"]
  
new_contents: from plantcv.plantcv.visualize.pseudocolor import pseudocolor
  from plantcv.plantcv.visualize.colorize_masks import colorize_masks
  from plantcv.plantcv.visualize.histogram import histogram
  from plantcv.plantcv.visualize.clustered_contours import clustered_contours
  from plantcv.plantcv.visualize.colorspaces import colorspaces
  from plantcv.plantcv.visualize.auto_threshold_methods import auto_threshold_methods
  from plantcv.plantcv.visualize.overlay_two_imgs import overlay_two_imgs
  from plantcv.plantcv.visualize.colorize_label_img import colorize_label_img
  from plantcv.plantcv.visualize.ecdf import pix_intensity
  from plantcv.plantcv.visualize.ecdf import obj_size
  
  
  __all__ = ["pseudocolor", "colorize_masks", "histogram", "clustered_contours", "colorspaces", "auto_threshold_methods",
             "overlay_two_imgs", "colorize_label_img","pix_intensity","obj_size"]
  
subject: Update __init__.py