[architecture] added weights_init in __init__.py

bob/learn/pytorch/architectures/__init__.py

@@ -3,6 +3,7 @@ from .CASIANet import CASIANet
 
 from .DCGAN import DCGAN_generator
 from .DCGAN import DCGAN_discriminator
+from .DCGAN import weights_init 
 
 # gets sphinx autodoc done right - don't remove it
 __all__ = [_ for _ in dir() if not _.startswith('_')]