fix pydoc.apropos and pydoc.synopsis on modules with empty docstrings (#21548)
Patch by Yuyang Guo and Berker Peksag.
B
Benjamin Peterson committed
54237f9feaefd209c2aaa5b4003810e69f6714f3
Parent: 3584056
Patch by Yuyang Guo and Berker Peksag.