I did a quick Google search and indeed there are so many examples of such code: https://www.google.com/search?q=site%3Agithub.com+filetype%3Apy+%22async+%3D+Tr

I did a quick Google search and indeed there are so many examples of such code: https://www.google.com/search?q=site%3Agithub.com+filetype%3Apy+%22async+%3D+True%22 https://www.google.com/search?q=site%3Agithub.com+filetype%3... https://www.google.com/search?q=site%3Agithub.com+filetype%3Apy+%22async+%3D+False%22 https://www.google.com/search?q=site%3Agithub.com+filetype%3... https://www.google.com/search?q=site%3Agithub.com+filetype%3Apy+%22async+%3D+1%22 https://www.google.com/search?q=site%3Agithub.com+filetype%3... https://www.google.com/search?q=site%3Agithub.com+filetype%3Apy+%22async+%3D+0%22 https://www.google.com/search?q=site%3Agithub.com+filetype%3...