allow overwrite old hn

modules/hypernetworks/ui.py

@@ -10,8 +10,9 @@ from modules import sd_hijack, shared, devices
 from modules.hypernetworks import hypernetwork
 
 
-def create_hypernetwork(name, enable_sizes, layer_structure=None, add_layer_norm=False):
+def create_hypernetwork(name, enable_sizes, overwrite_old, layer_structure=None, add_layer_norm=False):
     fn = os.path.join(shared.cmd_opts.hypernetwork_dir, f"{name}.pt")
+    if not overwrite_old:
         assert not os.path.exists(fn), f"file {fn} already exists"
 
     if type(layer_structure) == str: