'NoneType' object is not callable ; basic code

[Antonin FRAYSSE]

Hi,

It's my first team ever using Abjad. The library seems really great, congrats to the devs!

However I got this error when I try to run a basic code (Abjad 3.28 & Lilypond 2.25.27) :

Traceback (most recent call last):

  File "C:\Users\antof\PycharmProjects\PythonProject\main.py", line 57, in <module>
    abjad.show(staff_1)
    ~~~~~~~~~~^^^^^^^^^
  File "C:\Users\antof\PycharmProjects\PythonProject\.venv\Lib\site-packages\abjad\io.py", line 710, in show
    result = illustrator()
  File "C:\Users\antof\PycharmProjects\PythonProject\.venv\Lib\site-packages\abjad\io.py", line 88, in __call__
    string = self.string or self.string()
                            ~~~~~~~~~~~^^

TypeError: 'NoneType' object is not callable

I followed carefully the instructions to install the library.

Thank you!

[Antonin FRAYSSE]

Actually, I just installed Abjad 3.26, and everything runs nicely now! I guess something is wrong with the new version

[Trevor Bača]

Dear Antonin,

Yes, thank you: 3.28 shipped with a bug in the frequently-used abjad.show() function.

Abjad 3.29 fixes that bug. It is available starting today.

Thanks for the report,

Trevor.

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Trevor Bača

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