GeezerVison is showing github.com — F-string debug mode does not print correctly when in last line of file · Issue #105831 · python/cpython

F-string debug mode does not print correctly when in last line of file #105831

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F-string debug mode does not print correctly when in last line of file#105831

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

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lysnikolaou

opened

on Jun 15, 2023

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Where there's an f-string that has a debug expression in the last line of a file, the debug expression buffer is one character too short. For example:

```python3
cpython on  main via C v14.0.3-clang via 🐍 pyenv 3.11.3 took 15s 
❯ cat tmp/t.py
print(f'''{
3
=}''')%                                                                                                                                                                                                                                                                                                                                                                                                         

cpython on  main via C v14.0.3-clang via 🐍 pyenv 3.11.3 
❯ ./python.exe tmp/t.py            

3
3