[Documentation] "r" as method docstring for forward

[natolambert]

Describe the bug

As seen here, the forward docstrings of the UNet classes have "r" as the method description. Why is this?

diffusers/src/diffusers/models/unet_2d.py

Lines 173 to 180 in 688031c

	"""r
	Args:
	sample (`torch.FloatTensor`): (batch, channel, height, width) noisy inputs tensor
	timestep (`torch.FloatTensor` or `float` or `int): (batch) timesteps
	return_dict (`bool`, *optional*, defaults to `True`):
	Whether or not to return a [`~models.unet_2d.UNet2DOutput`] instead of a plain tuple.
	Returns:

I think @kashif you added these?

Reproduction

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Logs

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System Info

Not needed, documentation issue.

[kashif]

@natolambert my bad I believe co-pilot is to blame! Let me fix it.