File: recursive_gen.py

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# test deeply recursive generators


# simple "yield from" recursion
def gen():
    yield from gen()


try:
    list(gen())
except RuntimeError:
    print("RuntimeError")


# recursion via an iterator over a generator
def gen2():
    for x in gen2():
        yield x


try:
    next(gen2())
except RuntimeError:
    print("RuntimeError")