from __future__ import annotations
import dataclasses

# ensure that dataclasses inherits flags from the 
# current context w/from dataclasses import *
with open(dataclasses.__file__) as f:
    content = f.read()
    content = compile(content, "dataclasses.py", "exec")
    exec(content)

@dataclass
class X:
    a: int
    b: int
print(X.__doc__)