patch DDPM.register_betas so that users can put given_betas in model yaml

modules/sd_models.py

@@ -7,7 +7,7 @@ import threading
 import torch
 import re
 import safetensors.torch
-from omegaconf import OmegaConf
+from omegaconf import OmegaConf, ListConfig
 from os import mkdir
 from urllib import request
 import ldm.modules.midas as midas
@@ -17,6 +17,7 @@ from ldm.util import instantiate_from_config
 from modules import paths, shared, modelloader, devices, script_callbacks, sd_vae, sd_disable_initialization, errors, hashes, sd_models_config, sd_unet, sd_models_xl, cache, extra_networks, processing, lowvram, sd_hijack
 from modules.timer import Timer
 import tomesd
+import numpy as np
 
 model_dir = "Stable-diffusion"
 model_path = os.path.abspath(os.path.join(paths.models_path, model_dir))
@@ -132,6 +133,7 @@ def setup_model():
     os.makedirs(model_path, exist_ok=True)
 
     enable_midas_autodownload()
+    patch_given_betas()
 
 
 def checkpoint_tiles(use_short=False):
@@ -453,6 +455,17 @@ def enable_midas_autodownload():
     midas.api.load_model = load_model_wrapper
 
 
+def patch_given_betas():
+    original_register_schedule = ldm.models.diffusion.ddpm.DDPM.register_schedule
+    def patched_register_schedule(*args, **kwargs):
+        if args[1] is not None and isinstance(args[1], ListConfig):
+            modified_args = list(args)  # Convert args tuple to a list
+            modified_args[1] = np.array(args[1])  # Modify the desired element
+            args = tuple(modified_args)  # Convert the list back to a tuple
+        original_register_schedule(*args, **kwargs)
+    ldm.models.diffusion.ddpm.DDPM.register_schedule = patched_register_schedule
+
+
 def repair_config(sd_config):
 
     if not hasattr(sd_config.model.params, "use_ema"):