runtime error

e/user/.local/lib/python3.10/site-packages/gradio/examples.py", line 60, in create_examples utils.synchronize_async(examples_obj.create) File "/home/user/.local/lib/python3.10/site-packages/gradio/utils.py", line 365, in synchronize_async return fsspec.asyn.sync(fsspec.asyn.get_loop(), func, *args, **kwargs) File "/home/user/.local/lib/python3.10/site-packages/fsspec/asyn.py", line 106, in sync raise return_result File "/home/user/.local/lib/python3.10/site-packages/fsspec/asyn.py", line 61, in _runner result[0] = await coro File "/home/user/.local/lib/python3.10/site-packages/gradio/examples.py", line 258, in create await self.cache() File "/home/user/.local/lib/python3.10/site-packages/gradio/examples.py", line 292, in cache prediction = await Context.root_block.process_api( File "/home/user/.local/lib/python3.10/site-packages/gradio/blocks.py", line 1007, in process_api result = await self.call_function(fn_index, inputs, iterator, request) File "/home/user/.local/lib/python3.10/site-packages/gradio/blocks.py", line 848, in call_function prediction = await anyio.to_thread.run_sync( File "/home/user/.local/lib/python3.10/site-packages/anyio/to_thread.py", line 33, in run_sync return await get_asynclib().run_sync_in_worker_thread( File "/home/user/.local/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 877, in run_sync_in_worker_thread return await future File "/home/user/.local/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 807, in run result = context.run(func, *args) File "/home/user/app/app.py", line 23, in chat_hf api = ChatGPT(session_tokenz) File "/home/user/.local/lib/python3.10/site-packages/pyChatGPT/pyChatGPT.py", line 126, in __init__ self.__init_browser() File "/home/user/.local/lib/python3.10/site-packages/pyChatGPT/pyChatGPT.py", line 165, in __init_browser raise ValueError( ValueError: Please install PyVirtualDisplay to start a virtual display by running `pip install PyVirtualDisplay`

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