Bug Report

the suggestion from dmypy recommends datetime when it should suggest datetime.datetime

To Reproduce

import datetime

def f(x):
    print(x.isoformat())

f(datetime.datetime.now())

[mypy]
check_untyped_defs = true

Expected Behavior

$ dmypy run .
...
$ dmypy suggest t.f
(t:datetime.datetime) -> None

Actual Behavior

$ dmypy run .
...
$ dmypy suggest t.f
(t.datetime) -> None

Your Environment

• Mypy version used: 1.15.0
• Mypy command-line flags: see above
• Mypy configuration options from mypy.ini (and other config files): see above
• Python version used: 3.13.1