fix assign_model.lower()

utils.py

@@ -35,7 +35,7 @@ def get_modelist(model_dir=MODEL_DIR, assign_model=""):
         for file in files:
             if file.endswith(".pt"):
                 model = os.path.basename(file)[:-3]
-                if assign_model and assign_model in model:
+                if assign_model and assign_model.lower() in model:
                     pt_files.append(model)
                 else:
                     pt_files.insert(0, model)