Redirect / instead of serving chat.html that generates an internal error

[gbin]

I had that before the small patch : ⚫ gbin@sal flask-gevent-socketio-chat % python server.py Listening on http://localhost:8080 DEPRECATION WARNING: use resource instead of namespace Traceback (most recent call last): File "/usr/lib64/python2.7/site-packages/gevent/pywsgi.py", line 438, in handle_one_response self.run_application() File "/usr/lib64/python2.7/site-packages/gevent/pywsgi.py", line 424, in run_application self.result = self.application(self.environ, self.start_response) File "/usr/lib64/python2.7/site-packages/werkzeug/wsgi.py", line 411, in call return self.app(environ, start_response) File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1701, in call return self.wsgi_app(environ, start_response) File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1689, in wsgi_app response = self.make_response(self.handle_exception(e)) File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1687, in wsgi_app response = self.full_dispatch_request() File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1360, in full_dispatch_request rv = self.handle_user_exception(e) File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1358, in full_dispatch_request rv = self.dispatch_request() File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1344, in dispatch_request return self.view_functionsrule.endpoint File "server.py", line 29, in index return send_file('chat.html') File "/usr/lib64/python2.7/site-packages/flask/helpers.py", line 568, in send_file file = open(filename, 'rb') IOError: [Errno 2] No such file or directory: '/home/gbin/projects/flask-gevent-socketio-chat/chat.html' <SocketIOServer fileno=3 address=0.0.0.0:8080>: Failed to handle request: request = GET / HTTP/1.1 from ('127.0.0.1', 40202) application = <werkzeug.wsgi.SharedDataMiddleware object at 0x22d8190>