Update app.py

app.py

@@ -1587,15 +1587,15 @@ if __name__ == "__main__":
     def load_templates(self):
         """Load all templates from directory"""
         try:
-            # Load built-in templates
-            self.templates.update(self._get_builtin_templates())
-            # Load custom templates
-                for template_file in self.template_dir.glob("*.json"):
-                    try:
-                        with open(template_file, 'r', encoding='utf-8') as f:
-                            template_data = json.load(f)
-                            name = template_file.stem
-                            self.templates[name] = Template(**template_data)                
+        # Load built-in templates
+        self.templates.update(self._get_builtin_templates())
+        # Load custom templates
+            for template_file in self.template_dir.glob("*.json"):
+                try:
+                    with open(template_file, 'r', encoding='utf-8') as f:
+                        template_data = json.load(f)
+                        name = template_file.stem
+                        self.templates[name] = Template(**template_data)                
         except Exception as e:
             logger.error(f"Error loading templates: {e}")