No error about `__future__` import placed after some statements

[denballakh]

print('Hello')
from __future__ import annotations

At runtime i get SyntaxError:

  File "D:\_.py", line 2
    from __future__ import annotations
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
SyntaxError: from __future__ imports must occur at the beginning of the file

Expected Behavior

• invalid syntax error

Actual Behavior

• no errors

Your Environment

• mypy 1.0.0+dev.db0beb1014d8367221d47d3b11e2b49e757fa2fa (compiled: no) (almost latest currently)