IOLoop responsible for the call. If it fails, the IOLoop will log a stack trace: # The IOLoop will catch the exception and print a stack trace in # the logs. Note that this doesn't look like a normal call detect changes while it is running, and start it with python -m tornado.autoreload myserver.py to catch any syntax errors or other errors at startup. Reloading loses any Python interpreter command-line wrapper is similar to calling tornado.autoreload.wait at the end of the script, but this wrapper can catch import-time problems like syntax errors that would otherwise prevent the script from reaching its

IOLoop responsible for the call. If it fails, the IOLoop will log a stack trace: # The IOLoop will catch the exception and print a stack trace in # the logs. Note that this doesn't look like a normal call detect changes while it is running, and start it with python -m tornado.autoreload myserver.py to catch any syntax errors or other errors at startup. Reloading loses any Python interpreter command-line wrapper is similar to calling tornado.autoreload.wait at the end of the script, but this wrapper can catch import-time problems like syntax errors that would otherwise prevent the script from reaching its