-Fix interp_amount rounding in filename

-Sort list of checkpoints in list

modules/extras.py

@@ -186,9 +186,9 @@ def run_modelmerger(primary_model_name, secondary_model_name, interp_method, int
         if 'model' in key and key not in theta_0:
             theta_0[key] = theta_1[key]
 
-    output_modelname = 'models/' + primary_model_name + '_' + str(interp_amount) + '-' + secondary_model_name + '_' + str(float(1.0) - interp_amount) + '-' + interp_method.replace(" ", "_") + '-merged.ckpt'
+    output_modelname = 'models/' + primary_model_name + '_' + str(round(interp_amount,2)) + '-' + secondary_model_name + '_' + str(round((float(1.0) - interp_amount),2)) + '-' + interp_method.replace(" ", "_") + '-merged.ckpt'
     print(f"Saving to {output_modelname}...")
     torch.save(primary_model, output_modelname)
 
     print(f"Checkpoint saved.")
-    return "Checkpoint saved to " + output_modelname
+    return "Checkpoint saved to " + output_modelname

modules/ui.py

@@ -860,7 +860,7 @@ def create_ui(txt2img, img2img, run_extras, run_pnginfo, run_modelmerger):
                 gr.HTML(value="<p>A merger of the two checkpoints will be generated in your <b>/models</b> directory.</p>")
                 
                 with gr.Row():
-                    ckpt_name_list = [x.model_name for x in modules.sd_models.checkpoints_list.values()]
+                    ckpt_name_list = sorted([x.model_name for x in modules.sd_models.checkpoints_list.values()])
                     primary_model_name   = gr.Dropdown(ckpt_name_list, elem_id="modelmerger_primary_model_name", label="Primary Model Name")
                     secondary_model_name = gr.Dropdown(ckpt_name_list, elem_id="modelmerger_secondary_model_name", label="Secondary Model Name")
                 interp_amount = gr.Slider(minimum=0.0, maximum=1.0, step=0.05, label='Interpolation Amount', value=0.3)