import sys

def store_raise_exc_generator():
    try:
        yield
    except Exception as exc:
        yield
        raise

make = store_raise_exc_generator()

next(make)

try:
    raise Exception()
except Exception as exc:
    try:
        make.throw(exc)
    except Exception:
        pass

try:
    next(make)
except Exception as exc:
    pass
print("exc_info at exit", sys.exc_info())