template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development Add a file to the watch list. All imported modules are watched by default. tornado.autoreload.add_reload_hook(fn: Callable[[], None]) → None[source] Add a function to be called before reloading the process

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development Add a file to the watch list. All imported modules are watched by default. tornado.autoreload.add_reload_hook(fn: Callable[[], None]) → None[source] Add a function to be called before reloading the process

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): • autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development setting. • debug: Shorthand for several debug mode settings, described in Debug mode and automatic reload- ing. Setting debug=True is equivalent to autoreload=True, compiled_template_cache=False, static_hash_cache=False

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): • autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development setting. • debug: Shorthand for several debug mode settings, described in Debug mode and automatic reload- ing. Setting debug=True is equivalent to autoreload=True, compiled_template_cache=False, static_hash_cache=False

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): • autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development setting. • debug: Shorthand for several debug mode settings, described in Debug mode and automatic reload- ing. Setting debug=True is equivalent to autoreload=True, compiled_template_cache=False, static_hash_cache=False

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): • autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development setting. • debug: Shorthand for several debug mode settings, described in Debug mode and automatic reload- ing. Setting debug=True is equivalent to autoreload=True, compiled_template_cache=False, static_hash_cache=False

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): • autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development setting. • debug: Shorthand for several debug mode settings, described in Debug mode and automatic reload- ing. Setting debug=True is equivalent to autoreload=True, compiled_template_cache=False, static_hash_cache=False

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): • autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development setting. • debug: Shorthand for several debug mode settings, described in Debug mode and automatic reload- ing. Setting debug=True is equivalent to autoreload=True, compiled_template_cache=False, static_hash_cache=False

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development Add a file to the watch list. All imported modules are watched by default. tornado.autoreload.add_reload_hook(fn) Add a function to be called before reloading the process. Note that for open file and

template_loader application setting. Compiled templates are cached by default; to turn off this caching and reload templates so changes to the underlying files are always visible, use the application settings co flag takes precedence): • autoreload=True: The app will watch for changes to its source files and reload itself when anything changes. This reduces the need to manually restart the server during development Add a file to the watch list. All imported modules are watched by default. tornado.autoreload.add_reload_hook(fn: Callable[[], None]) → None Add a function to be called before reloading the process. Note