ultralytics 8.0.37 add TFLite metadata in AutoBackend (#953)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Ayush Chaurasia <ayush.chaurarsia@gmail.com>
Co-authored-by: Yonghye Kwon <developer.0hye@gmail.com>
Co-authored-by: Aarni Koskela <akx@iki.fi>

ultralytics/yolo/utils/__init__.py

@@ -221,11 +221,10 @@ def is_jupyter():
     Returns:
         bool: True if running inside a Jupyter Notebook, False otherwise.
     """
-    try:
+    with contextlib.suppress(Exception):
         from IPython import get_ipython
         return get_ipython() is not None
-    except ImportError:
-        return False
+    return False
 
 
 def is_docker() -> bool:
@@ -287,11 +286,9 @@ def is_pytest_running():
     Returns:
         (bool): True if pytest is running, False otherwise.
     """
-    try:
-        import sys
+    with contextlib.suppress(Exception):
         return "pytest" in sys.modules
-    except ImportError:
-        return False
+    return False
 
 
 def is_github_actions_ci() -> bool:

ultralytics/yolo/utils/callbacks/__init__.py

@@ -1 +1,5 @@
 from .base import add_integration_callbacks, default_callbacks
+
+__all__ = [
+    'add_integration_callbacks',
+    'default_callbacks',]

ultralytics/yolo/utils/checks.py

@@ -17,7 +17,6 @@ import numpy as np
 import pkg_resources as pkg
 import psutil
 import torch
-from IPython import display
 from matplotlib import font_manager
 
 from ultralytics.yolo.utils import (AUTOINSTALL, LOGGER, ROOT, USER_CONFIG_DIR, TryExcept, colorstr, downloads, emojis,
@@ -292,8 +291,10 @@ def check_yolo(verbose=True):
         gib = 1 << 30  # bytes per GiB
         ram = psutil.virtual_memory().total
         total, used, free = shutil.disk_usage("/")
-        display.clear_output()
         s = f'({os.cpu_count()} CPUs, {ram / gib:.1f} GB RAM, {(total - free) / gib:.1f}/{total / gib:.1f} GB disk)'
+        with contextlib.suppress(Exception):  # clear display if ipython is installed
+            from IPython import display
+            display.clear_output()
     else:
         s = ''