[issue46819] Add an Error / Exception / Warning when contextlib.suppress() is entered with no specified exception(s) to suppress

[Zachary Ware]

Zachary Ware <zachary.w...@gmail.com> added the comment:

>>> try:
...     raise ValueError("I raise...")
... except ():
...     pass
... 
Traceback (most recent call last):
  File "<stdin>", line 2, in <module>
ValueError: I raise...

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<https://bugs.python.org/issue46819>
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