Ensure bare exception statements are raised

[pixeebot]

This codemod fixes cases where an exception is referenced by itself in a statement without being raised. This most likely indicates a bug: you probably meant to actually raise the exception.

Our changes look something like this:

try:
-   ValueError
+   raise ValueError
except:
    pass

More reading

• https://docs.python.org/3/tutorial/errors.html#raising-exceptions

I have additional improvements ready for this repo! If you want to see them, leave the comment:

@pixeebot next

... and I will open a new PR right away!

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