Ejecuté fastapi use uvicorn fast_api:app --reload --host=0.0.0.0 --port=8099 y cuando cambié mi código, el error de fastapi trow:

 33mWARNING[0m: Detected file change in 'fast_api.py'. Reloading... .... rv = self.invoke(ctx) File "c:\appdata\local\programs\python\python37\lib\site-packages\click\core.py", line 1066, in invoke return ctx.invoke(self.callback, **ctx.params) File "c:\appdata\local\programs\python\python37\lib\site-packages\click\core.py", line 610, in invoke return callback(*args, **kwargs) File "c:\appdata\local\programs\python\python37\lib\site-packages\uvicorn\main.py", line 339, in main run(**kwargs) File "c:\appdata\local\programs\python\python37\lib\site-packages\uvicorn\main.py", line 356, in run supervisor.run() File "c:\appdata\local\programs\python\python37\lib\site-packages\uvicorn\supervisors\basereload.py", line 44, in run self.restart() File "c:\appdata\local\programs\python\python37\lib\site-packages\uvicorn\supervisors\basereload.py", line 65, in restart os.kill(self.process.pid, signal.SIGTERM) PermissionError: [WinError 5] Access is denied