Format Python code with psf/black push

[github-actions]

There appear to be some python formatting errors in a05e4e3. This pull request
uses the psf/black formatter to fix these issues.

[todo]

remove the dependency on torch process group

bagua/bagua/torch_api/communication.py

Lines 377 to 382 in 255d0fc

	# TODO remove the dependency on torch process group
	if not dist.is_initialized():
	torch.distributed.init_process_group(
	backend="nccl",
	store=_default_store,
	rank=get_rank(),

---

This comment was generated by todo based on a TODO comment in 255d0fc in #284. cc @BaguaSys.

[todo]

combine **inplace API

bagua/bagua/torch_api/communication.py

Lines 1074 to 1079 in 255d0fc

	# TODO combine **inplace API
	def alltoall_inplace(
	tensor: torch.Tensor,
	comm=comm.WORLD,
	):
	"""The in-place version of :func:`alltoall`."""

---

This comment was generated by todo based on a TODO comment in 255d0fc in #284. cc @BaguaSys.

[todo]

(wayi@): Remove this field since SPMD is no longer supported,

bagua/bagua/torch_api/ddp_compatible/ddp.py

Lines 223 to 228 in 255d0fc

	# TODO(wayi@): Remove this field since SPMD is no longer supported,
	# and also remove all the relevant unnecessary loops.
	# Module replication within process (single-process multi device)
	self._module_copies = [self.module]
	self.bagua_init(optimizers, algorithm, process_group)

---

This comment was generated by todo based on a TODO comment in 255d0fc in #284. cc @BaguaSys.

[todo]

@shjwudp add support for reporting tensor completion order

bagua/bagua/torch_api/ddp_compatible/ddp.py

Lines 462 to 467 in 255d0fc

	# TODO: @shjwudp add support for reporting tensor completion order
	# so that the autotune service does not rely on tensor registration
	# order
	rsp = self._bagua_autotune_client.report_metrics(
	model_name=self.bagua_module_name,
	rank=env.get_rank(),

---

This comment was generated by todo based on a TODO comment in 255d0fc in #284. cc @BaguaSys.

[todo]

sanity check

bagua/rust/bagua-core/bagua-core-py/src/lib.rs

Lines 254 to 259 in 255d0fc

	// TODO: sanity check
	let dtype = torch_tensor
	.getattr("dtype")
	.expect("must pass valid torch tensor")
	.repr()?
	.to_string();

---

This comment was generated by todo based on a TODO comment in 255d0fc in #284. cc @BaguaSys.