freeze in webpage using ubuntu 20 and python 3.8

[johnfelipe]

(env) root@felipe:~/Skin-Cancer# python3 app.py
/root/Skin-Cancer/env/lib/python3.8/site-packages/torchvision/transforms/transforms.py:332: UserWarning: Argument interpolation should be of type InterpolationMode instead of int. Please, use InterpolationMode enum.
  warnings.warn(
/root/Skin-Cancer/env/lib/python3.8/site-packages/torchvision/transforms/transforms.py:332: UserWarning: Argument interpolation should be of type InterpolationMode instead of int. Please, use InterpolationMode enum.
  warnings.warn(
/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/deprecation.py:40: UserWarning: `optional` parameter is deprecated, and it has no effect
  warnings.warn(value)
[['images/akiec.jpg'], ['images/bcc.jpg'], ['images/bkl.jpg'], ['images/df.jpg'], ['images/mel.jpg'], ['images/nv.jpg'], ['images/vasc.jpg']]
/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/deprecation.py:40: UserWarning: The 'type' parameter has been deprecated. Use the Number component instead.
  warnings.warn(value)
/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/deprecation.py:40: UserWarning: `allow_screenshot` parameter is deprecated, and it has no effect
  warnings.warn(value)
/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/deprecation.py:40: UserWarning: `capture_session` parameter is deprecated, and it has no effect
  warnings.warn(value)
/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/deprecation.py:40: UserWarning: `show_tips` is deprecated in `Interface()`, please use it within `launch()` instead.
  warnings.warn(value)
/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/deprecation.py:40: UserWarning: `encrypt` is deprecated in `Interface()`, please use it within `launch()` instead.
  warnings.warn(value)
/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/interface.py:289: UserWarning: Currently, only the 'default' theme is supported.
  warnings.warn("Currently, only the 'default' theme is supported.")
/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/interface.py:362: UserWarning: The `allow_flagging` parameter in `Interface` nowtakes a string value ('auto', 'manual', or 'never'), not a boolean. Setting parameter to: 'never'.
  warnings.warn(
Running on local URL:  http://localhost:7860/

To create a public link, set `share=True` in `launch()`.
Traceback (most recent call last):
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/routes.py", line 275, in predict
	output = await app.blocks.process_api(body, username, session_state)
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/blocks.py", line 274, in process_api
	predictions = await run_in_threadpool(block_fn.fn, *processed_input)
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/starlette/concurrency.py", line 41, in run_in_threadpool
	return await anyio.to_thread.run_sync(func, *args)
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/anyio/to_thread.py", line 31, in run_sync
	return await get_asynclib().run_sync_in_worker_thread(
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/anyio/_backends/_asyncio.py", line 937, in run_sync_in_worker_thread
	return await future
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/anyio/_backends/_asyncio.py", line 867, in run
	result = context.run(func, *args)
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/interface.py", line 500, in <lambda>
	lambda *args: self.run_prediction(args)[0]
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/gradio/interface.py", line 682, in run_prediction
	prediction = predict_fn(*processed_input)
  File "app.py", line 35, in predict_image
	model = TorchVisionClassifierInference(
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/hugsvision/inference/TorchVisionClassifierInference.py", line 29, in __init__
	self.model = torch.load(self.model_path + "best_model.pth", map_location=self.device)
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/torch/serialization.py", line 713, in load
	return _legacy_load(opened_file, map_location, pickle_module, **pickle_load_args)
  File "/root/Skin-Cancer/env/lib/python3.8/site-packages/torch/serialization.py", line 920, in _legacy_load
	magic_number = pickle_module.load(f, **pickle_load_args)
_pickle.UnpicklingError: invalid load key, 'v'.

dont show anything passed 500 seconds

how solve this?