id: no-return-value-in-generator
valid:
  - |
    def gen():
        yield 1
        yield 2
  - |
    def gen():
        yield 1
        return  # bare return is OK
  - |
    def regular():
        return 42
invalid:
  - |
    def gen():
        yield 1
        return 42
  - |
    def gen():
        yield from iter([1, 2])
        return result