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Don't init a VAE model when there are no VAE weights.

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comfyanonymous 2024-04-24 09:20:31 -04:00
parent 27d5808fc4
commit 8dc19e40d1
1 changed files with 5 additions and 1 deletions
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6
comfy/sd.py
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@ -210,7 +210,7 @@ class VAE:
self.first_stage_model = StageC_coder() self.first_stage_model = StageC_coder()
self.downscale_ratio = 32 self.downscale_ratio = 32
self.latent_channels = 16 self.latent_channels = 16
else: elif "decoder.conv_in.weight" in sd:
#default SD1.x/SD2.x VAE parameters #default SD1.x/SD2.x VAE parameters
ddconfig = {'double_z': True, 'z_channels': 4, 'resolution': 256, 'in_channels': 3, 'out_ch': 3, 'ch': 128, 'ch_mult': [1, 2, 4, 4], 'num_res_blocks': 2, 'attn_resolutions': [], 'dropout': 0.0} ddconfig = {'double_z': True, 'z_channels': 4, 'resolution': 256, 'in_channels': 3, 'out_ch': 3, 'ch': 128, 'ch_mult': [1, 2, 4, 4], 'num_res_blocks': 2, 'attn_resolutions': [], 'dropout': 0.0}
@ -226,6 +226,10 @@ class VAE:
self.first_stage_model = AutoencodingEngine(regularizer_config={'target': "comfy.ldm.models.autoencoder.DiagonalGaussianRegularizer"}, self.first_stage_model = AutoencodingEngine(regularizer_config={'target': "comfy.ldm.models.autoencoder.DiagonalGaussianRegularizer"},
encoder_config={'target': "comfy.ldm.modules.diffusionmodules.model.Encoder", 'params': ddconfig}, encoder_config={'target': "comfy.ldm.modules.diffusionmodules.model.Encoder", 'params': ddconfig},
decoder_config={'target': "comfy.ldm.modules.diffusionmodules.model.Decoder", 'params': ddconfig}) decoder_config={'target': "comfy.ldm.modules.diffusionmodules.model.Decoder", 'params': ddconfig})
else:
logging.warning("WARNING: No VAE weights detected, VAE not initalized.")
self.first_stage_model = None
return
else: else:
self.first_stage_model = AutoencoderKL(**(config['params'])) self.first_stage_model = AutoencoderKL(**(config['params']))
self.first_stage_model = self.first_stage_model.eval() self.first_stage_model = self.first_stage_model.eval()