make loras before 0.4.0 ALSO work

1 files changed, 2 insertions, 1 deletions

diff --git a/extensions-builtin/Lora/lora.py b/extensions-builtin/Lora/lora.py
index 220e64ff..137e58f7 100644
--- a/extensions-builtin/Lora/lora.py
+++ b/extensions-builtin/Lora/lora.py
@@ -57,6 +57,7 @@ class LoraUpDownModule:
     def __init__(self):

         self.up = None

         self.down = None

+        self.alpha = None

 

 

 def assign_lora_names_to_compvis_modules(sd_model):

@@ -165,7 +166,7 @@ def lora_forward(module, input, res):
     for lora in loaded_loras:

         module = lora.modules.get(lora_layer_name, None)

         if module is not None:

-            res = res + module.up(module.down(input)) * lora.multiplier * module.alpha / module.up.weight.shape[1]

+            res = res + module.up(module.down(input)) * lora.multiplier * (module.alpha / module.up.weight.shape[1] if module.alpha else 1.0)

 

     return res