in usort/types.py [0:0]
def __add__(self, other: "ImportItemComments") -> "ImportItemComments":
if not isinstance(other, ImportItemComments):
return NotImplemented
return ImportItemComments(
before=[*self.before, *other.before],
inline=[*self.inline, *other.inline],
following=[*self.following, *other.following],
)