runtime error

Exit code: 1. Reason: arlette/routing.py", line 693, in lifespan async with self.lifespan_context(app) as maybe_state: File "/usr/local/lib/python3.10/contextlib.py", line 199, in __aenter__ return await anext(self.gen) File "/usr/local/lib/python3.10/site-packages/fastapi/routing.py", line 133, in merged_lifespan async with original_context(app) as maybe_original_state: File "/usr/local/lib/python3.10/contextlib.py", line 199, in __aenter__ return await anext(self.gen) File "/usr/local/lib/python3.10/site-packages/gradio/route_utils.py", line 914, in _handler await stack.enter_async_context(user_lifespan(app)) File "/usr/local/lib/python3.10/contextlib.py", line 619, in enter_async_context result = await _cm_type.__aenter__(cm) File "/usr/local/lib/python3.10/contextlib.py", line 199, in __aenter__ return await anext(self.gen) File "/usr/local/lib/python3.10/site-packages/fastrtc/stream.py", line 112, in new_lifespan self._check_colab_or_spaces() File "/usr/local/lib/python3.10/site-packages/fastrtc/stream.py", line 101, in _check_colab_or_spaces self.print_error("spaces") File "/usr/local/lib/python3.10/site-packages/fastrtc/stream.py", line 91, in print_error raise RuntimeError( RuntimeError: Running in spaces is not possible without providing a valid rtc_configuration. ERROR: Application startup failed. Exiting. Traceback (most recent call last): File "/home/user/app/app.py", line 7, in <module> stream.ui.launch() File "/usr/local/lib/python3.10/site-packages/fastrtc/stream.py", line 122, in wrapper return callable(*args, **kwargs) File "/usr/local/lib/python3.10/site-packages/gradio/blocks.py", line 2570, in launch ) = http_server.start_server( File "/usr/local/lib/python3.10/site-packages/gradio/http_server.py", line 156, in start_server raise OSError( OSError: Cannot find empty port in range: 7860-7860. You can specify a different port by setting the GRADIO_SERVER_PORT environment variable or passing the `server_port` parameter to `launch()`.

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