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Code Issues Projects Releases Packages Wiki Activity Actions 9

GH-109190: Copyedit 3.12 What's New: Improved Error Messages (#109654)

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Adam Turner 2023-09-21 20:24:44 +01:00 • committed by GitHub
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Doc/whatsnew/3.12.rst
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@ -98,7 +98,7 @@ Improved Error Messages
* Modules from the standard library are now potentially suggested as part of
the error messages displayed by the interpreter when a :exc:`NameError` is
raised to the top level. Contributed by Pablo Galindo in :gh:`98254`.
raised to the top level. (Contributed by Pablo Galindo in :gh:`98254`.)
>>> sys.version_info
Traceback (most recent call last):
@ -109,7 +109,7 @@ Improved Error Messages
Now if a :exc:`NameError` is raised in a method and the instance has an
attribute that's exactly equal to the name in the exception, the suggestion
will include ``self.<NAME>`` instead of the closest match in the method
scope. Contributed by Pablo Galindo in :gh:`99139`.
scope. (Contributed by Pablo Galindo in :gh:`99139`.)
>>> class A:
... def __init__(self):
@ -117,7 +117,7 @@ Improved Error Messages
...
... def foo(self):
... somethin = blech
...
>>> A().foo()
Traceback (most recent call last):
File "<stdin>", line 1
@ -125,9 +125,8 @@ Improved Error Messages
^^^^^
NameError: name 'blech' is not defined. Did you mean: 'self.blech'?
* Improve the :exc:`SyntaxError` error message when the user types ``import x
from y`` instead of ``from y import x``. Contributed by Pablo Galindo in :gh:`98931`.
from y`` instead of ``from y import x``. (Contributed by Pablo Galindo in :gh:`98931`.)
>>> import a.y.z from b.y.z
Traceback (most recent call last):
@ -138,7 +137,7 @@ Improved Error Messages
* :exc:`ImportError` exceptions raised from failed ``from <module> import
<name>`` statements now include suggestions for the value of ``<name>`` based on the
available names in ``<module>``. Contributed by Pablo Galindo in :gh:`91058`.
available names in ``<module>``. (Contributed by Pablo Galindo in :gh:`91058`.)
>>> from collections import chainmap
Traceback (most recent call last):