Zachary Ware added the comment:
I don't believe this is a bug.
1) try/except does not introduce a new scope
2) 'except E as N' is just name assignment
3) except clauses are documented to always delete the exception alias at the
end of the except block[0]. The example in the docs could be clarified to show
that
except E as N:
foo
is really more like
except E:
N = sys.exc_info()[1]
try:
foo
finally:
del N
Note that 'as' assignment with the 'with' statement also overrides a local
variable of the same name. The simplest way to avoid this issue is to use a
different name for the exception alias.
[0] https://docs.python.org/3/reference/compound_stmts.html#the-try-statement
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nosy: +zach.ware
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<http://bugs.python.org/issue26174>
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