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opentelemetry-sdk/src/opentelemetry/sdk/_configuration/__init__.py

@@ -276,6 +276,7 @@ def overwritten_config_fn(*args, **kwargs):
             try:
                 config_fn(*args, **kwargs)
             finally:
+                # Ensure handler is added back if logging function throws exception.
                 if removed_handler:
                     root.addHandler(handler)