Currently this project only preserves comments when they're on a line with syntax, otherwise they are removed:

pyproject.toml:

[project]
# A comment-only line
name = "something"  # This is the name
# Another comment

$ python -m pyproject_fmt pyproject.toml
--- pyproject.toml

+++ pyproject.toml

@@ -1,4 +1,2 @@

 [project]
-# A comment-only line
 name = "something"  # This is the name
-# Another comment

Seems like it would make sense to either:

• a) preserve all comments
• b) remove all comments

My personal opinion is that a) would be ideal!