Update notebook

examples/web-navigation/asyncio_nb_utils.py

@@ -1,33 +0,0 @@
-import asyncio
-import logging
-
-import nest_asyncio
-
-logger = logging.getLogger(__name__)
-
-
-def apply():
-    nest_asyncio.apply()
-
-    # shorthand for the class whose __del__ raises the exception
-    _BEL = asyncio.base_events.BaseEventLoop
-    _UWP = getattr(asyncio.unix_events, "_UnixWritePipeTransport", None)
-    _TAS = asyncio.tasks.Task
-
-    _original_del = _BEL.__del__
-
-    def _patched_del(self):
-        try:
-            # invoke the original method...
-            _original_del(self)
-        except Exception as e:  # type: ignore
-            # ... but ignore any exceptions it might raise
-            # NOTE: horrible anti-pattern. Just using because
-            # jupyter notebooks don't play nice with asyncio
-            logger.debug(f"Exception in __del__ of {self}: {e}")
-            pass
-
-    # replace the original __del__ method
-    for op in (_BEL, _TAS, _UWP):
-        if op is not None:
-            op.__del__ = _patched_del