Allow PyTorch Hub results to display in notebooks (#9825)

* Allow PyTorch Hub results to display in notebooks

* fix CI

* fix CI

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix CI

* fix CI

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix CI

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix CI

* fix CI

* fix CI

* fix CI

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix CI

* fix CI

* fix CI

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

detect.py

@@ -99,7 +99,7 @@ def run(
     # Dataloader
     bs = 1  # batch_size
     if webcam:
-        view_img = check_imshow()
+        view_img = check_imshow(warn=True)
         dataset = LoadStreams(source, img_size=imgsz, stride=stride, auto=pt, vid_stride=vid_stride)
         bs = len(dataset)
     elif screenshot: