Yury Selivanov wrote:
While the example is valid, I doubt that it is in any sense
"common" case.
No it is a corner case. Another way to spell it is:
try:
try:
raise IndexError()
except:
raise CustomError() from None
except CustomError as e:
# nevermind, let's see the whole thing after all
e.__cause__ = Ellipsis
raise e
Ethan
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