fix update

app.py

@@ -25,12 +25,18 @@ def update_token_visibility(api):
 
 def update_prompt_template(prompt_format):
     """Update the template content when a preset is selected"""
+    if prompt_format == "custom":  # Don't update content when switching to custom
+        return gr.update()  # Skip update
     if prompt_format in PROMPT_TEMPLATES:
-        return PROMPT_FORMATTERS[prompt_format]().PROMPT_TEMPLATE
+        return PROMPT_TEMPLATES[prompt_format]
     return ""
 
 def handle_template_edit(prompt_format, new_template):
     """Handle when user edits the template"""
+    # If we're already in custom mode, don't trigger another format change
+    if prompt_format == "custom":
+        return gr.update()
+
     # If the template matches a preset exactly, keep the preset name
     for format_name, template in PROMPT_TEMPLATES.items():
         if template.strip() == new_template.strip():