bpo-37173: Show passed class in inspect.getfile error (GH-13861)


Currently, inspect.getfile(str) will report nonsense:

```pytb
>>> inspect.getfile(str)
TypeError: <module 'builtins' (built-in)> is a built-in class
```

This fixes that

https://bugs.python.org/issue37173
(cherry picked from commit d407d2a7265f6102e51a1d62b3fd28b4f7a78d16)

Co-authored-by: Philipp A <flying-sheep@web.de>
3 files changed