Docstring additions (#122)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

ultralytics/yolo/utils/checks.py

@@ -12,7 +12,7 @@ import pkg_resources as pkg
 import torch
 
 from ultralytics.yolo.utils import (AUTOINSTALL, FONT, LOGGER, ROOT, USER_CONFIG_DIR, TryExcept, colorstr, emojis,
-                                    is_docker, is_notebook)
+                                    is_docker, is_jupyter_notebook)
 from ultralytics.yolo.utils.ops import make_divisible
 
 
@@ -160,7 +160,7 @@ def check_yaml(file, suffix=('.yaml', '.yml')):
 def check_imshow(warn=False):
     # Check if environment supports image displays
     try:
-        assert not is_notebook()
+        assert not is_jupyter_notebook()
         assert not is_docker()
         cv2.imshow('test', np.zeros((1, 1, 3)))
         cv2.waitKey(1)