New submission from Sander Bollen <san...@sndrtj.eu>:
Hello,
It appears that Decimal does not support PEP-515 style formatting with
underscores as thousands separators.
```
>>> from decimal import Decimal
>>> f"{Decimal('5000'):,}"
'5,000'
>>> f"{Decimal('5000'):_}"
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: invalid format string
```
This does work for all the other types mentioned in PEP515
```
>>> f"{5000:_}"
'5_000'
>>> f"{5000.0:_}"
'5_000.0'
>>> f"{complex(5000, 1):_}"
'(5_000+1j)'
```
I have tried this on python 3.8, 3.9 and 3.10 on a Mac.
----------
components: Library (Lib)
messages: 405667
nosy: sndrtj
priority: normal
severity: normal
status: open
title: PEP 515-style formatting with underscores does not seem to work for
Decimal
versions: Python 3.10, Python 3.8, Python 3.9
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue45708>
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