Description

aroberge

opened on Sep 26, 2022

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Bug report

In the example below, the normal interpreter only emits a SyntaxWarning which, upon execution, gives rise to a TypeError, whereas code.interact() gives a SyntaxError right away.

Python 3.11.0rc2 (main, Sep 11 2022, 20:22:52) [MSC v.1933 64 bit (AMD64)] on win32
>>> def test():
...    [1, 2, 3]()
...
<stdin>:2: SyntaxWarning: 'list' object is not callable; perhaps you missed a comma?
>>> test()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 2, in test
TypeError: 'list' object is not callable
>>>
>>> import code
>>> code.interact()
(InteractiveConsole)
>>> def test():
...    [1, 2, 3]()
  File "<console>", line 2
SyntaxError: 'list' object is not callable; perhaps you missed a comma?

In addition to the above, I have been able to reproduce this with Python 3.9 and 3.10, but not with earlier Python versions.

Activity

1. aroberge

   added

   type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

   on Sep 26, 2022
2. vstinner commented on Sep 26, 2022

   

   vstinner

   on Sep 26, 2022

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   cc @serhiy-storchaka
3. serhiy-storchaka commented on Sep 26, 2022

   

   serhiy-storchaka

   on Sep 26, 2022

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   Seems it was fixed in #96052.
4. serhiy-storchaka

   closed this as completedon Sep 29, 2022
5. aroberge commented on Oct 24, 2022

   

   aroberge

   on Oct 24, 2022

   ContributorAuthor

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   This was not fixed.

   > python
   Python 3.11.0 (main, Oct 24 2022, 18:26:48) [MSC v.1933 64 bit (AMD64)] on win32
   Type "help", "copyright", "credits" or "license" for more information.
   >>> def test():
   ...    [1, 2, 3]()
   ...
   <stdin>:2: SyntaxWarning: 'list' object is not callable; perhaps you missed a comma?
   >>> test()
   Traceback (most recent call last):
     File "<stdin>", line 1, in <module>
     File "<stdin>", line 2, in test
   TypeError: 'list' object is not callable
   >>> import code
   >>> code.interact()
   Python 3.11.0 (main, Oct 24 2022, 18:26:48) [MSC v.1933 64 bit (AMD64)] on win32
   Type "help", "copyright", "credits" or "license" for more information.
   (InteractiveConsole)
   >>> def test():
   ...    [1, 2, 3]()
     File "<console>", line 2
   SyntaxError: 'list' object is not callable; perhaps you missed a comma?
   
6. serhiy-storchaka commented on Oct 25, 2022

   

   serhiy-storchaka

   on Oct 25, 2022

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   I only get a warning.
7. aroberge commented on Oct 25, 2022

   

   aroberge

   on Oct 25, 2022

   ContributorAuthor

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   I got a warning with 3.12.0a1, but not with 3.11.0. I assume it will be fixed in 3.11.1 and this can remained closed.
8. vstinner commented on Nov 3, 2022

   

   vstinner

   on Nov 3, 2022

   Member

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   I confirm that the fix is not in Python 3.11.0 final: you will have to wait for Python 3.11.1 bugfix release.

   Python 3.11.0 has the bug (raise SyntaxError):

   $ /opt/py311/bin/python3 -m code
   Python 3.11.0 (main, Oct 31 2022, 12:39:47) [GCC 12.2.1 20220819 (Red Hat 12.2.1-2)] on linux
   Type "help", "copyright", "credits" or "license" for more information.
   (InteractiveConsole)
   >>> def test(): [1, 2, 3]()
     File "<console>", line 1
   SyntaxError: 'list' object is not callable; perhaps you missed a comma?
   >>> 
   now exiting InteractiveConsole...
   

   The 3.11 development branch has the fix (display a warning):

   vstinner@mona$ ./python -m code
   Python 3.11.0+ (heads/3.11:eb023a84d9, Nov  3 2022, 15:59:57) [GCC 12.2.1 20220819 (Red Hat 12.2.1-2)] on linux
   Type "help", "copyright", "credits" or "license" for more information.
   (InteractiveConsole)
   >>> def test(): [1, 2, 3]()
   ... 
   <console>:1: SyntaxWarning: 'list' object is not callable; perhaps you missed a comma?
   >>> 
   now exiting InteractiveConsole...
   

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