Remove exception suppression in CloseEvent processing.

anntzer · anntzer · commit bb1d42ec6be0 · 2022-07-21T13:43:30.000+02:00
CallbackRegistry already replaces exceptions by printed tracebacks,
which seems better than fully suppressing everything.
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -1285,15 +1285,6 @@ def _process(self):
 class CloseEvent(Event):
     """An event triggered by a figure being closed."""
 
-    def _process(self):
-        try:
-            super()._process()
-        except (AttributeError, TypeError):
-            pass
-            # Suppress AttributeError/TypeError that occur when the python
-            # session is being killed.  It may be that a better solution would
-            # be a mechanism to disconnect all callbacks upon shutdown.
-
 
 class LocationEvent(Event):
     """
