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cf81180007
Before, having arbitrary depth nested configs like
```
class Foo:
foo: List[int] = [1, 2, 3]
class Bar:
bar: str = "1"
class Baz:
baz: int = 1
```
would cause problems beyond the first layer. For example, if we tried
```
from torch._inductor import config as inductor_config
print(inductor_config.Foo)
print(repr(inductor_config.Foo.foo))
print(inductor_config.Foo.Bar)
print(repr(inductor_config.Foo.Bar.bar))
print(inductor_config.Foo.Bar.Baz)
print(repr(inductor_config.Foo.Bar.Baz.baz))
```
we would get some output like
```
<torch.utils._config_module.SubConfigProxy object at 0x7fac65de00a0>
[1, 2, 3]
...
AttributeError: torch._inductor.config.Foo.Bar does not exist
```
Obviously, this is not what we want. With these changes, we get the right values
```
<torch.utils._config_module.SubConfigProxy object at 0x7f840d05bf40>
[1, 2, 3]
<torch.utils._config_module.SubConfigProxy object at 0x7f840cedc940>
'1'
<torch.utils._config_module.SubConfigProxy object at 0x7f840cedc100>
1
```
Fixes #ISSUE_NUMBER
Pull Request resolved: https://github.com/pytorch/pytorch/pull/133418
Approved by: https://github.com/oulgen
Note [TH abstraction violation] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ TH/THC provide some hpp headers, which are proper C++ headers rather than C headers. These headers serve double duty as *internal implementation detail* headers, whose contents should largely not be used by external clients. Ideally, we would not install these headers at all; instead, you should use public functions (in headers like `THTensor.h`, NOT `THTensor.hpp`) to manipulate these structs. However, there are a few places in torch/csrc where we violate this abstraction. They are marked with a pointer to this note. Each of those sites will have to be refactored when we refactor the guts of THTensor and related structures.