Server for simple Flask(Python) chat application

I need urgent help in finding and setting up a web server for my real-time Flask chat application. I need someone who can briefly explain for me how to find a proper Python web server(host), prepare it and install my application on it.
My application uses Flask-SocketIO package but it looks like that this package does not work on CPanel web hosts that I have always used. My Flask application code is complete and ready.
Now I need someone to tell me which web host and server to use and how to set it up. Please let me know how I can set my application up and running on a web server.