minor dcgan-import fix

[Atharva-Phatak]

What does this PR do?

Reviews DCGAN implementations in #839.

Though GAN implementation is very specific. GANS module requires some discussion on how the package should be structured.

Part of #839

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[Atharva-Phatak]

I checked the resnet download link its working :). I am taking a look at the retinanet tests. More or less it looks like an azure pipeline issue :(

[Borda]

I checked the resnet download link its working :). I am taking a look at the retinanet tests. More or less it looks like an azure pipeline issue :(

that seems to be unrelated... that is fine :)

[akihironitta]

@Atharva-Phatak Thank you for working on this!

Could you also update the docstring so that it uses the new way of specifying the accelerator?
https://github.com/Lightning-AI/lightning-bolts/blob/43f869ff3f09c2d967d850525d0723da51db48b6/pl_bolts/models/gans/dcgan/dcgan_module.py#L30

Trainer(accelerator="gpu", devices=2)

[akihironitta]

I am taking a look at the retinanet tests.

@Atharva-Phatak FYI, the failure of the test case is being investigated by @rohitgr7 via #910.

[Atharva-Phatak]

I am taking a look at the retinanet tests.

@Atharva-Phatak FYI, the failure of the test case is being investigated by @rohitgr7 via #910.

Updated the docstring. Thanks for the letting me know :)

[akihironitta]

Thanks @Atharva-Phatak! LGTM!